71372392

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 179020800

約数和(自身を除く): 107648408

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 26, 28, 34, 52, 56, 68, 73, 79, 91, 104, 119, 136, 146, 158, 182, 221, 238, 292, 316, 364, 442, 476, 511, 553, 584, 632, 728, 884, 949, 952, 1022, 1027, 1106, 1241, 1343, 1547, 1768, 1898, 2044, 2054, 2212, 2482, 2686, 3094, 3796, 4088, 4108, 4424, 4964, 5372, 5767, 6188, 6643, 7189, 7592, 8216, 8687, 9401, 9928, 10744, 11534, 12376, 13286, 14378, 16133, 17374, 17459, 18802, 23068, 26572, 28756, 32266, 34748, 34918, 37604, 40369, 46136, 53144, 57512, 64532, 69496, 69836, 74971, 75208, 80738, 98039, 112931, 122213, 129064, 139672, 149942, 161476, 196078, 225862, 244426, 299884, 322952, 392156, 451724, 488852, 524797, 599768, 686273, 784312, 903448, 977704, 1049594, 1274507, 1372546, 2099188, 2549014, 2745092, 4198376, 5098028, 5490184, 8921549, 10196056, 17843098, 35686196, 71372392]

約数ペア:

[(1, 71372392), (2, 35686196), (4, 17843098), (7, 10196056), (8, 8921549), (13, 5490184), (14, 5098028), (17, 4198376), (26, 2745092), (28, 2549014), (34, 2099188), (52, 1372546), (56, 1274507), (68, 1049594), (73, 977704), (79, 903448), (91, 784312), (104, 686273), (119, 599768), (136, 524797), (146, 488852), (158, 451724), (182, 392156), (221, 322952), (238, 299884), (292, 244426), (316, 225862), (364, 196078), (442, 161476), (476, 149942), (511, 139672), (553, 129064), (584, 122213), (632, 112931), (728, 98039), (884, 80738), (949, 75208), (952, 74971), (1022, 69836), (1027, 69496), (1106, 64532), (1241, 57512), (1343, 53144), (1547, 46136), (1768, 40369), (1898, 37604), (2044, 34918), (2054, 34748), (2212, 32266), (2482, 28756), (2686, 26572), (3094, 23068), (3796, 18802), (4088, 17459), (4108, 17374), (4424, 16133), (4964, 14378), (5372, 13286), (5767, 12376), (6188, 11534), (6643, 10744), (7189, 9928), (7592, 9401), (8216, 8687)]