1639795890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{691897}}^1$

素因数の和:691986

約数の個数: 32

約数和(自身を含む): 3985332480

約数和(自身を除く): 2345536590

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 691897, 1383794, 2075691, 3459485, 4151382, 6918970, 10378455, 20756910, 54659863, 109319726, 163979589, 273299315, 327959178, 546598630, 819897945, 1639795890]

約数ペア:

[(1, 1639795890), (2, 819897945), (3, 546598630), (5, 327959178), (6, 273299315), (10, 163979589), (15, 109319726), (30, 54659863), (79, 20756910), (158, 10378455), (237, 6918970), (395, 4151382), (474, 3459485), (790, 2075691), (1185, 1383794), (2370, 691897)]