399627852

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1047

約数の個数: 96

約数和(自身を含む): 1057308672

約数和(自身を除く): 657680820

約数列:

[1, 2, 3, 4, 6, 12, 13, 23, 26, 39, 46, 52, 69, 78, 92, 127, 138, 156, 254, 276, 299, 381, 508, 598, 762, 877, 897, 1196, 1524, 1651, 1754, 1794, 2631, 2921, 3302, 3508, 3588, 4953, 5262, 5842, 6604, 8763, 9906, 10524, 11401, 11684, 17526, 19812, 20171, 22802, 34203, 35052, 37973, 40342, 45604, 60513, 68406, 75946, 80684, 111379, 113919, 121026, 136812, 151892, 222758, 227838, 242052, 262223, 334137, 445516, 455676, 524446, 668274, 786669, 1048892, 1336548, 1447927, 1573338, 2561717, 2895854, 3146676, 4343781, 5123434, 5791708, 7685151, 8687562, 10246868, 15370302, 17375124, 30740604, 33302321, 66604642, 99906963, 133209284, 199813926, 399627852]

約数ペア:

[(1, 399627852), (2, 199813926), (3, 133209284), (4, 99906963), (6, 66604642), (12, 33302321), (13, 30740604), (23, 17375124), (26, 15370302), (39, 10246868), (46, 8687562), (52, 7685151), (69, 5791708), (78, 5123434), (92, 4343781), (127, 3146676), (138, 2895854), (156, 2561717), (254, 1573338), (276, 1447927), (299, 1336548), (381, 1048892), (508, 786669), (598, 668274), (762, 524446), (877, 455676), (897, 445516), (1196, 334137), (1524, 262223), (1651, 242052), (1754, 227838), (1794, 222758), (2631, 151892), (2921, 136812), (3302, 121026), (3508, 113919), (3588, 111379), (4953, 80684), (5262, 75946), (5842, 68406), (6604, 60513), (8763, 45604), (9906, 40342), (10524, 37973), (11401, 35052), (11684, 34203), (17526, 22802), (19812, 20171)]