78821248

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 188373600

約数和(自身を除く): 109552352

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 37, 44, 64, 68, 74, 88, 89, 128, 136, 148, 176, 178, 187, 272, 296, 352, 356, 374, 407, 544, 592, 629, 704, 712, 748, 814, 979, 1088, 1184, 1258, 1408, 1424, 1496, 1513, 1628, 1958, 2176, 2368, 2516, 2848, 2992, 3026, 3256, 3293, 3916, 4736, 5032, 5696, 5984, 6052, 6512, 6586, 6919, 7832, 10064, 11392, 11968, 12104, 13024, 13172, 13838, 15664, 16643, 20128, 23936, 24208, 26048, 26344, 27676, 31328, 33286, 36223, 40256, 48416, 52096, 52688, 55352, 55981, 62656, 66572, 72446, 80512, 96832, 105376, 110704, 111962, 125312, 133144, 144892, 193664, 210752, 221408, 223924, 266288, 289784, 421504, 442816, 447848, 532576, 579568, 615791, 885632, 895696, 1065152, 1159136, 1231582, 1791392, 2130304, 2318272, 2463164, 3582784, 4636544, 4926328, 7165568, 9852656, 19705312, 39410624, 78821248]

約数ペア:

[(1, 78821248), (2, 39410624), (4, 19705312), (8, 9852656), (11, 7165568), (16, 4926328), (17, 4636544), (22, 3582784), (32, 2463164), (34, 2318272), (37, 2130304), (44, 1791392), (64, 1231582), (68, 1159136), (74, 1065152), (88, 895696), (89, 885632), (128, 615791), (136, 579568), (148, 532576), (176, 447848), (178, 442816), (187, 421504), (272, 289784), (296, 266288), (352, 223924), (356, 221408), (374, 210752), (407, 193664), (544, 144892), (592, 133144), (629, 125312), (704, 111962), (712, 110704), (748, 105376), (814, 96832), (979, 80512), (1088, 72446), (1184, 66572), (1258, 62656), (1408, 55981), (1424, 55352), (1496, 52688), (1513, 52096), (1628, 48416), (1958, 40256), (2176, 36223), (2368, 33286), (2516, 31328), (2848, 27676), (2992, 26344), (3026, 26048), (3256, 24208), (3293, 23936), (3916, 20128), (4736, 16643), (5032, 15664), (5696, 13838), (5984, 13172), (6052, 13024), (6512, 12104), (6586, 11968), (6919, 11392), (7832, 10064)]