721412376

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{3313}}^1$

素因数の和:3576

約数の個数: 64

約数和(自身を含む): 1854779520

約数和(自身を除く): 1133367144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 211, 258, 344, 422, 516, 633, 844, 1032, 1266, 1688, 2532, 3313, 5064, 6626, 9073, 9939, 13252, 18146, 19878, 26504, 27219, 36292, 39756, 54438, 72584, 79512, 108876, 142459, 217752, 284918, 427377, 569836, 699043, 854754, 1139672, 1398086, 1709508, 2097129, 2796172, 3419016, 4194258, 5592344, 8388516, 16777032, 30058849, 60117698, 90176547, 120235396, 180353094, 240470792, 360706188, 721412376]

約数ペア:

[(1, 721412376), (2, 360706188), (3, 240470792), (4, 180353094), (6, 120235396), (8, 90176547), (12, 60117698), (24, 30058849), (43, 16777032), (86, 8388516), (129, 5592344), (172, 4194258), (211, 3419016), (258, 2796172), (344, 2097129), (422, 1709508), (516, 1398086), (633, 1139672), (844, 854754), (1032, 699043), (1266, 569836), (1688, 427377), (2532, 284918), (3313, 217752), (5064, 142459), (6626, 108876), (9073, 79512), (9939, 72584), (13252, 54438), (18146, 39756), (19878, 36292), (26504, 27219)]