256264664

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{401}}^1$

素因数の和:588

約数の個数: 64

約数和(自身を含む): 527938560

約数和(自身を除く): 271673896

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 74, 127, 136, 148, 254, 296, 401, 508, 629, 802, 1016, 1258, 1604, 2159, 2516, 3208, 4318, 4699, 5032, 6817, 8636, 9398, 13634, 14837, 17272, 18796, 27268, 29674, 37592, 50927, 54536, 59348, 79883, 101854, 118696, 159766, 203708, 252229, 319532, 407416, 504458, 639064, 865759, 1008916, 1731518, 1884299, 2017832, 3463036, 3768598, 6926072, 7537196, 15074392, 32033083, 64066166, 128132332, 256264664]

約数ペア:

[(1, 256264664), (2, 128132332), (4, 64066166), (8, 32033083), (17, 15074392), (34, 7537196), (37, 6926072), (68, 3768598), (74, 3463036), (127, 2017832), (136, 1884299), (148, 1731518), (254, 1008916), (296, 865759), (401, 639064), (508, 504458), (629, 407416), (802, 319532), (1016, 252229), (1258, 203708), (1604, 159766), (2159, 118696), (2516, 101854), (3208, 79883), (4318, 59348), (4699, 54536), (5032, 50927), (6817, 37592), (8636, 29674), (9398, 27268), (13634, 18796), (14837, 17272)]