679950068

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{443}}^1$

素因数の和:693

約数の個数: 72

約数和(自身を含む): 1428585984

約数和(自身を除く): 748635916

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 191, 196, 287, 382, 443, 574, 764, 886, 1148, 1337, 1772, 2009, 2674, 3101, 4018, 5348, 6202, 7831, 8036, 9359, 12404, 15662, 18163, 18718, 21707, 31324, 36326, 37436, 43414, 54817, 72652, 84613, 86828, 109634, 127141, 169226, 219268, 254282, 338452, 383719, 508564, 592291, 767438, 889987, 1184582, 1534876, 1779974, 2369164, 3469133, 3559948, 4146037, 6938266, 8292074, 13876532, 16584148, 24283931, 48567862, 97135724, 169987517, 339975034, 679950068]

約数ペア:

[(1, 679950068), (2, 339975034), (4, 169987517), (7, 97135724), (14, 48567862), (28, 24283931), (41, 16584148), (49, 13876532), (82, 8292074), (98, 6938266), (164, 4146037), (191, 3559948), (196, 3469133), (287, 2369164), (382, 1779974), (443, 1534876), (574, 1184582), (764, 889987), (886, 767438), (1148, 592291), (1337, 508564), (1772, 383719), (2009, 338452), (2674, 254282), (3101, 219268), (4018, 169226), (5348, 127141), (6202, 109634), (7831, 86828), (8036, 84613), (9359, 72652), (12404, 54817), (15662, 43414), (18163, 37436), (18718, 36326), (21707, 31324)]