163557890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{5483}}^1$

素因数の和:5666

約数の個数: 32

約数和(自身を含む): 311929920

約数和(自身を除く): 148372030

約数列:

[1, 2, 5, 10, 19, 38, 95, 157, 190, 314, 785, 1570, 2983, 5483, 5966, 10966, 14915, 27415, 29830, 54830, 104177, 208354, 520885, 860831, 1041770, 1721662, 4304155, 8608310, 16355789, 32711578, 81778945, 163557890]

約数ペア:

[(1, 163557890), (2, 81778945), (5, 32711578), (10, 16355789), (19, 8608310), (38, 4304155), (95, 1721662), (157, 1041770), (190, 860831), (314, 520885), (785, 208354), (1570, 104177), (2983, 54830), (5483, 29830), (5966, 27415), (10966, 14915)]