128581638

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{931751}}^1$

素因数の和:931779

約数の個数: 16

約数和(自身を含む): 268344576

約数和(自身を除く): 139762938

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 931751, 1863502, 2795253, 5590506, 21430273, 42860546, 64290819, 128581638]

約数ペア:

[(1, 128581638), (2, 64290819), (3, 42860546), (6, 21430273), (23, 5590506), (46, 2795253), (69, 1863502), (138, 931751)]