28715830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:541

約数の個数: 64

約数和(自身を含む): 62270208

約数和(自身を除く): 33554378

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 43, 55, 65, 86, 110, 130, 143, 215, 286, 430, 467, 473, 559, 715, 934, 946, 1118, 1430, 2335, 2365, 2795, 4670, 4730, 5137, 5590, 6071, 6149, 10274, 12142, 12298, 20081, 25685, 30355, 30745, 40162, 51370, 60710, 61490, 66781, 100405, 133562, 200810, 220891, 261053, 333905, 441782, 522106, 667810, 1104455, 1305265, 2208910, 2610530, 2871583, 5743166, 14357915, 28715830]

約数ペア:

[(1, 28715830), (2, 14357915), (5, 5743166), (10, 2871583), (11, 2610530), (13, 2208910), (22, 1305265), (26, 1104455), (43, 667810), (55, 522106), (65, 441782), (86, 333905), (110, 261053), (130, 220891), (143, 200810), (215, 133562), (286, 100405), (430, 66781), (467, 61490), (473, 60710), (559, 51370), (715, 40162), (934, 30745), (946, 30355), (1118, 25685), (1430, 20081), (2335, 12298), (2365, 12142), (2795, 10274), (4670, 6149), (4730, 6071), (5137, 5590)]