128866856

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 259372800

約数和(自身を除く): 130505944

約数列:

[1, 2, 4, 8, 37, 47, 59, 74, 94, 118, 148, 157, 188, 236, 296, 314, 376, 472, 628, 1256, 1739, 2183, 2773, 3478, 4366, 5546, 5809, 6956, 7379, 8732, 9263, 11092, 11618, 13912, 14758, 17464, 18526, 22184, 23236, 29516, 37052, 46472, 59032, 74104, 102601, 205202, 273023, 342731, 410404, 435361, 546046, 685462, 820808, 870722, 1092092, 1370924, 1741444, 2184184, 2741848, 3482888, 16108357, 32216714, 64433428, 128866856]

約数ペア:

[(1, 128866856), (2, 64433428), (4, 32216714), (8, 16108357), (37, 3482888), (47, 2741848), (59, 2184184), (74, 1741444), (94, 1370924), (118, 1092092), (148, 870722), (157, 820808), (188, 685462), (236, 546046), (296, 435361), (314, 410404), (376, 342731), (472, 273023), (628, 205202), (1256, 102601), (1739, 74104), (2183, 59032), (2773, 46472), (3478, 37052), (4366, 29516), (5546, 23236), (5809, 22184), (6956, 18526), (7379, 17464), (8732, 14758), (9263, 13912), (11092, 11618)]