1986906808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1268

約数の個数: 64

約数和(自身を含む): 3971358720

約数和(自身を除く): 1984451912

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 124, 148, 223, 248, 296, 446, 892, 971, 1147, 1784, 1942, 2294, 3884, 4588, 6913, 7768, 8251, 9176, 13826, 16502, 27652, 30101, 33004, 35927, 55304, 60202, 66008, 71854, 120404, 143708, 216533, 240808, 255781, 287416, 433066, 511562, 866132, 1023124, 1113737, 1732264, 2046248, 2227474, 4454948, 6712523, 8011721, 8909896, 13425046, 16023442, 26850092, 32046884, 53700184, 64093768, 248363351, 496726702, 993453404, 1986906808]

約数ペア:

[(1, 1986906808), (2, 993453404), (4, 496726702), (8, 248363351), (31, 64093768), (37, 53700184), (62, 32046884), (74, 26850092), (124, 16023442), (148, 13425046), (223, 8909896), (248, 8011721), (296, 6712523), (446, 4454948), (892, 2227474), (971, 2046248), (1147, 1732264), (1784, 1113737), (1942, 1023124), (2294, 866132), (3884, 511562), (4588, 433066), (6913, 287416), (7768, 255781), (8251, 240808), (9176, 216533), (13826, 143708), (16502, 120404), (27652, 71854), (30101, 66008), (33004, 60202), (35927, 55304)]