261508856

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2297}}^1$

素因数の和:2436

約数の個数: 64

約数和(自身を含む): 595641600

約数和(自身を除く): 334132744

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 107, 133, 152, 214, 266, 428, 532, 749, 856, 1064, 1498, 2033, 2297, 2996, 4066, 4594, 5992, 8132, 9188, 14231, 16079, 16264, 18376, 28462, 32158, 43643, 56924, 64316, 87286, 113848, 128632, 174572, 245779, 305501, 349144, 491558, 611002, 983116, 1222004, 1720453, 1966232, 2444008, 3440906, 4669801, 6881812, 9339602, 13763624, 18679204, 32688607, 37358408, 65377214, 130754428, 261508856]

約数ペア:

[(1, 261508856), (2, 130754428), (4, 65377214), (7, 37358408), (8, 32688607), (14, 18679204), (19, 13763624), (28, 9339602), (38, 6881812), (56, 4669801), (76, 3440906), (107, 2444008), (133, 1966232), (152, 1720453), (214, 1222004), (266, 983116), (428, 611002), (532, 491558), (749, 349144), (856, 305501), (1064, 245779), (1498, 174572), (2033, 128632), (2297, 113848), (2996, 87286), (4066, 64316), (4594, 56924), (5992, 43643), (8132, 32158), (9188, 28462), (14231, 18376), (16079, 16264)]