28501616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12457}}^1$

素因数の和:12489

約数の個数: 40

約数和(自身を含む): 64881264

約数和(自身を除く): 36379648

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 12457, 24914, 49828, 99656, 137027, 161941, 199312, 274054, 323882, 548108, 647764, 1096216, 1295528, 1781351, 2192432, 2591056, 3562702, 7125404, 14250808, 28501616]

約数ペア:

[(1, 28501616), (2, 14250808), (4, 7125404), (8, 3562702), (11, 2591056), (13, 2192432), (16, 1781351), (22, 1295528), (26, 1096216), (44, 647764), (52, 548108), (88, 323882), (104, 274054), (143, 199312), (176, 161941), (208, 137027), (286, 99656), (572, 49828), (1144, 24914), (2288, 12457)]