28639370

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:790

約数の個数: 32

約数和(自身を含む): 54120960

約数和(自身を除く): 25481590

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 239, 478, 521, 1042, 1195, 2390, 2605, 5210, 5497, 10994, 11983, 23966, 27485, 54970, 59915, 119830, 124519, 249038, 622595, 1245190, 2863937, 5727874, 14319685, 28639370]

約数ペア:

[(1, 28639370), (2, 14319685), (5, 5727874), (10, 2863937), (23, 1245190), (46, 622595), (115, 249038), (230, 124519), (239, 119830), (478, 59915), (521, 54970), (1042, 27485), (1195, 23966), (2390, 11983), (2605, 10994), (5210, 5497)]