991258235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1\times {\mathrm{823}}^1$

素因数の和:1259

約数の個数: 32

約数和(自身を含む): 1324200960

約数和(自身を除く): 332942725

約数列:

[1, 5, 11, 55, 61, 305, 359, 671, 823, 1795, 3355, 3949, 4115, 9053, 19745, 21899, 45265, 50203, 109495, 240889, 251015, 295457, 552233, 1204445, 1477285, 2761165, 3250027, 16250135, 18022877, 90114385, 198251647, 991258235]

約数ペア:

[(1, 991258235), (5, 198251647), (11, 90114385), (55, 18022877), (61, 16250135), (305, 3250027), (359, 2761165), (671, 1477285), (823, 1204445), (1795, 552233), (3355, 295457), (3949, 251015), (4115, 240889), (9053, 109495), (19745, 50203), (21899, 45265)]