28194370

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 52533936

約数和(自身を除く): 24339566

約数列:

[1, 2, 5, 10, 37, 74, 181, 185, 362, 370, 421, 842, 905, 1810, 2105, 4210, 6697, 13394, 15577, 31154, 33485, 66970, 76201, 77885, 152402, 155770, 381005, 762010, 2819437, 5638874, 14097185, 28194370]

約数ペア:

[(1, 28194370), (2, 14097185), (5, 5638874), (10, 2819437), (37, 762010), (74, 381005), (181, 155770), (185, 152402), (362, 77885), (370, 76201), (421, 66970), (842, 33485), (905, 31154), (1810, 15577), (2105, 13394), (4210, 6697)]