28737410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 55944000

約数和(自身を除く): 27206590

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 443, 499, 886, 998, 2215, 2495, 4430, 4990, 5759, 6487, 11518, 12974, 28795, 32435, 57590, 64870, 221057, 442114, 1105285, 2210570, 2873741, 5747482, 14368705, 28737410]

約数ペア:

[(1, 28737410), (2, 14368705), (5, 5747482), (10, 2873741), (13, 2210570), (26, 1105285), (65, 442114), (130, 221057), (443, 64870), (499, 57590), (886, 32435), (998, 28795), (2215, 12974), (2495, 11518), (4430, 6487), (4990, 5759)]