248971970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{112657}}^1$

素因数の和:112694

約数の個数: 32

約数和(自身を含む): 511016688

約数和(自身を除く): 262044718

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 112657, 225314, 563285, 1126570, 1464541, 1915169, 2929082, 3830338, 7322705, 9575845, 14645410, 19151690, 24897197, 49794394, 124485985, 248971970]

約数ペア:

[(1, 248971970), (2, 124485985), (5, 49794394), (10, 24897197), (13, 19151690), (17, 14645410), (26, 9575845), (34, 7322705), (65, 3830338), (85, 2929082), (130, 1915169), (170, 1464541), (221, 1126570), (442, 563285), (1105, 225314), (2210, 112657)]