206877290

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1\times {\mathrm{797}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 378003024

約数和(自身を除く): 171125734

約数列:

[1, 2, 5, 10, 101, 202, 257, 505, 514, 797, 1010, 1285, 1594, 2570, 3985, 7970, 25957, 51914, 80497, 129785, 160994, 204829, 259570, 402485, 409658, 804970, 1024145, 2048290, 20687729, 41375458, 103438645, 206877290]

約数ペア:

[(1, 206877290), (2, 103438645), (5, 41375458), (10, 20687729), (101, 2048290), (202, 1024145), (257, 804970), (505, 409658), (514, 402485), (797, 259570), (1010, 204829), (1285, 160994), (1594, 129785), (2570, 80497), (3985, 51914), (7970, 25957)]