28742870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{9613}}^1$

素因数の和:9656

約数の個数: 32

約数和(自身を含む): 58145472

約数和(自身を除く): 29402602

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 9613, 19226, 48065, 96130, 124969, 221099, 249938, 442198, 624845, 1105495, 1249690, 2210990, 2874287, 5748574, 14371435, 28742870]

約数ペア:

[(1, 28742870), (2, 14371435), (5, 5748574), (10, 2874287), (13, 2210990), (23, 1249690), (26, 1105495), (46, 624845), (65, 442198), (115, 249938), (130, 221099), (230, 124969), (299, 96130), (598, 48065), (1495, 19226), (2990, 9613)]