209228656

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 539965440

約数和(自身を除く): 330736784

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 17, 26, 28, 34, 52, 56, 68, 79, 91, 104, 107, 112, 119, 136, 158, 182, 208, 214, 221, 238, 272, 316, 364, 428, 442, 476, 553, 632, 728, 749, 856, 884, 952, 1027, 1106, 1264, 1343, 1391, 1456, 1498, 1547, 1712, 1768, 1819, 1904, 2054, 2212, 2686, 2782, 2996, 3094, 3536, 3638, 4108, 4424, 5372, 5564, 5992, 6188, 7189, 7276, 8216, 8453, 8848, 9401, 9737, 10744, 11128, 11984, 12376, 12733, 14378, 14552, 16432, 16906, 17459, 18802, 19474, 21488, 22256, 23647, 24752, 25466, 28756, 29104, 33812, 34918, 37604, 38948, 47294, 50932, 57512, 59171, 67624, 69836, 75208, 77896, 94588, 101864, 109889, 115024, 118342, 122213, 135248, 139672, 143701, 150416, 155792, 165529, 189176, 203728, 219778, 236684, 244426, 279344, 287402, 331058, 378352, 439556, 473368, 488852, 574804, 662116, 769223, 879112, 946736, 977704, 1005907, 1149608, 1324232, 1538446, 1758224, 1868113, 1955408, 2011814, 2299216, 2648464, 3076892, 3736226, 4023628, 6153784, 7472452, 8047256, 12307568, 13076791, 14944904, 16094512, 26153582, 29889808, 52307164, 104614328, 209228656]

約数ペア:

[(1, 209228656), (2, 104614328), (4, 52307164), (7, 29889808), (8, 26153582), (13, 16094512), (14, 14944904), (16, 13076791), (17, 12307568), (26, 8047256), (28, 7472452), (34, 6153784), (52, 4023628), (56, 3736226), (68, 3076892), (79, 2648464), (91, 2299216), (104, 2011814), (107, 1955408), (112, 1868113), (119, 1758224), (136, 1538446), (158, 1324232), (182, 1149608), (208, 1005907), (214, 977704), (221, 946736), (238, 879112), (272, 769223), (316, 662116), (364, 574804), (428, 488852), (442, 473368), (476, 439556), (553, 378352), (632, 331058), (728, 287402), (749, 279344), (856, 244426), (884, 236684), (952, 219778), (1027, 203728), (1106, 189176), (1264, 165529), (1343, 155792), (1391, 150416), (1456, 143701), (1498, 139672), (1547, 135248), (1712, 122213), (1768, 118342), (1819, 115024), (1904, 109889), (2054, 101864), (2212, 94588), (2686, 77896), (2782, 75208), (2996, 69836), (3094, 67624), (3536, 59171), (3638, 57512), (4108, 50932), (4424, 47294), (5372, 38948), (5564, 37604), (5992, 34918), (6188, 33812), (7189, 29104), (7276, 28756), (8216, 25466), (8453, 24752), (8848, 23647), (9401, 22256), (9737, 21488), (10744, 19474), (11128, 18802), (11984, 17459), (12376, 16906), (12733, 16432), (14378, 14552)]