388674748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1411

約数の個数: 72

約数和(自身を含む): 864712800

約数和(自身を除く): 476038052

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 89, 121, 154, 178, 242, 308, 356, 484, 623, 847, 979, 1246, 1289, 1694, 1958, 2492, 2578, 3388, 3916, 5156, 6853, 9023, 10769, 13706, 14179, 18046, 21538, 27412, 28358, 36092, 43076, 56716, 75383, 99253, 114721, 150766, 155969, 198506, 229442, 301532, 311938, 397012, 458884, 623876, 803047, 1091783, 1261931, 1606094, 2183566, 2523862, 3212188, 4367132, 5047724, 8833517, 13881241, 17667034, 27762482, 35334068, 55524964, 97168687, 194337374, 388674748]

約数ペア:

[(1, 388674748), (2, 194337374), (4, 97168687), (7, 55524964), (11, 35334068), (14, 27762482), (22, 17667034), (28, 13881241), (44, 8833517), (77, 5047724), (89, 4367132), (121, 3212188), (154, 2523862), (178, 2183566), (242, 1606094), (308, 1261931), (356, 1091783), (484, 803047), (623, 623876), (847, 458884), (979, 397012), (1246, 311938), (1289, 301532), (1694, 229442), (1958, 198506), (2492, 155969), (2578, 150766), (3388, 114721), (3916, 99253), (5156, 75383), (6853, 56716), (9023, 43076), (10769, 36092), (13706, 28358), (14179, 27412), (18046, 21538)]