203495305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 268692480

約数和(自身を除く): 65197175

約数列:

[1, 5, 13, 65, 101, 139, 223, 505, 695, 1115, 1313, 1807, 2899, 6565, 9035, 14039, 14495, 22523, 30997, 70195, 112615, 154985, 182507, 292799, 402961, 912535, 1463995, 2014805, 3130697, 15653485, 40699061, 203495305]

約数ペア:

[(1, 203495305), (5, 40699061), (13, 15653485), (65, 3130697), (101, 2014805), (139, 1463995), (223, 912535), (505, 402961), (695, 292799), (1115, 182507), (1313, 154985), (1807, 112615), (2899, 70195), (6565, 30997), (9035, 22523), (14039, 14495)]