1217257408

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4831}}^1$

素因数の和:5001

約数の個数: 56

約数和(自身を含む): 2513567744

約数和(自身を除く): 1296310336

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 992, 1016, 1984, 2032, 3937, 4064, 4831, 7874, 8128, 9662, 15748, 19324, 31496, 38648, 62992, 77296, 125984, 149761, 154592, 251968, 299522, 309184, 599044, 613537, 1198088, 1227074, 2396176, 2454148, 4792352, 4908296, 9584704, 9816592, 19019647, 19633184, 38039294, 39266368, 76078588, 152157176, 304314352, 608628704, 1217257408]

約数ペア:

[(1, 1217257408), (2, 608628704), (4, 304314352), (8, 152157176), (16, 76078588), (31, 39266368), (32, 38039294), (62, 19633184), (64, 19019647), (124, 9816592), (127, 9584704), (248, 4908296), (254, 4792352), (496, 2454148), (508, 2396176), (992, 1227074), (1016, 1198088), (1984, 613537), (2032, 599044), (3937, 309184), (4064, 299522), (4831, 251968), (7874, 154592), (8128, 149761), (9662, 125984), (15748, 77296), (19324, 62992), (31496, 38648)]