28201808

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 56469600

約数和(自身を除く): 28267792

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 179, 229, 344, 358, 458, 688, 716, 916, 1432, 1832, 2864, 3664, 7697, 9847, 15394, 19694, 30788, 39388, 40991, 61576, 78776, 81982, 123152, 157552, 163964, 327928, 655856, 1762613, 3525226, 7050452, 14100904, 28201808]

約数ペア:

[(1, 28201808), (2, 14100904), (4, 7050452), (8, 3525226), (16, 1762613), (43, 655856), (86, 327928), (172, 163964), (179, 157552), (229, 123152), (344, 81982), (358, 78776), (458, 61576), (688, 40991), (716, 39388), (916, 30788), (1432, 19694), (1832, 15394), (2864, 9847), (3664, 7697)]