213983078398

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{22202021}}^1$

素因数の和:22202163

約数の個数: 16

約数和(自身を含む): 330366087360

約数和(自身を除く): 116383008962

約数列:

[1, 2, 61, 79, 122, 158, 4819, 9638, 22202021, 44404042, 1354323281, 1753959659, 2708646562, 3507919318, 106991539199, 213983078398]

約数ペア:

[(1, 213983078398), (2, 106991539199), (61, 3507919318), (79, 2708646562), (122, 1753959659), (158, 1354323281), (4819, 44404042), (9638, 22202021)]