9971178256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{156151}}^1$

素因数の和:156479

約数の個数: 40

約数和(自身を含む): 20873150144

約数和(自身を除く): 10901971888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 307, 614, 1228, 2456, 3991, 4912, 7982, 15964, 31928, 63856, 156151, 312302, 624604, 1249208, 2029963, 2498416, 4059926, 8119852, 16239704, 32479408, 47938357, 95876714, 191753428, 383506856, 623198641, 767013712, 1246397282, 2492794564, 4985589128, 9971178256]

約数ペア:

[(1, 9971178256), (2, 4985589128), (4, 2492794564), (8, 1246397282), (13, 767013712), (16, 623198641), (26, 383506856), (52, 191753428), (104, 95876714), (208, 47938357), (307, 32479408), (614, 16239704), (1228, 8119852), (2456, 4059926), (3991, 2498416), (4912, 2029963), (7982, 1249208), (15964, 624604), (31928, 312302), (63856, 156151)]