638190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{1013}}^1$

素因数の和:1033

約数の個数: 48

約数和(自身を含む): 1898208

約数和(自身を除く): 1260018

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 1013, 2026, 3039, 5065, 6078, 7091, 9117, 10130, 14182, 15195, 18234, 21273, 30390, 35455, 42546, 45585, 63819, 70910, 91170, 106365, 127638, 212730, 319095, 638190]

約数ペア:

[(1, 638190), (2, 319095), (3, 212730), (5, 127638), (6, 106365), (7, 91170), (9, 70910), (10, 63819), (14, 45585), (15, 42546), (18, 35455), (21, 30390), (30, 21273), (35, 18234), (42, 15195), (45, 14182), (63, 10130), (70, 9117), (90, 7091), (105, 6078), (126, 5065), (210, 3039), (315, 2026), (630, 1013)]