129128528

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{58909}}^1$

素因数の和:59054

約数の個数: 20

約数和(自身を含む): 252016980

約数和(自身を除く): 122888452

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 58909, 117818, 235636, 471272, 942544, 8070533, 16141066, 32282132, 64564264, 129128528]

約数ペア:

[(1, 129128528), (2, 64564264), (4, 32282132), (8, 16141066), (16, 8070533), (137, 942544), (274, 471272), (548, 235636), (1096, 117818), (2192, 58909)]