20161651678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{6971}}^1$

素因数の和:7213

約数の個数: 64

約数和(自身を含む): 37106657280

約数和(自身を除く): 16945005602

約数列:

[1, 2, 7, 14, 19, 38, 83, 131, 133, 166, 262, 266, 581, 917, 1162, 1577, 1834, 2489, 3154, 4978, 6971, 10873, 11039, 13942, 17423, 21746, 22078, 34846, 48797, 76111, 97594, 132449, 152222, 206587, 264898, 413174, 578593, 913201, 927143, 1157186, 1446109, 1826402, 1854286, 2892218, 4050151, 6392407, 8100302, 10993267, 12784814, 17350819, 21986534, 34701638, 75795683, 76952869, 121455733, 151591366, 153905738, 242911466, 530569781, 1061139562, 1440117977, 2880235954, 10080825839, 20161651678]

約数ペア:

[(1, 20161651678), (2, 10080825839), (7, 2880235954), (14, 1440117977), (19, 1061139562), (38, 530569781), (83, 242911466), (131, 153905738), (133, 151591366), (166, 121455733), (262, 76952869), (266, 75795683), (581, 34701638), (917, 21986534), (1162, 17350819), (1577, 12784814), (1834, 10993267), (2489, 8100302), (3154, 6392407), (4978, 4050151), (6971, 2892218), (10873, 1854286), (11039, 1826402), (13942, 1446109), (17423, 1157186), (21746, 927143), (22078, 913201), (34846, 578593), (48797, 413174), (76111, 264898), (97594, 206587), (132449, 152222)]