989004536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{23251}}^1$

素因数の和:23679

約数の個数: 32

約数和(自身を含む): 2001997200

約数和(自身を除く): 1012992664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 818, 1636, 3272, 5317, 10634, 21268, 23251, 42536, 46502, 93004, 186008, 302263, 604526, 1209052, 2418104, 9509659, 19019318, 38038636, 76077272, 123625567, 247251134, 494502268, 989004536]

約数ペア:

[(1, 989004536), (2, 494502268), (4, 247251134), (8, 123625567), (13, 76077272), (26, 38038636), (52, 19019318), (104, 9509659), (409, 2418104), (818, 1209052), (1636, 604526), (3272, 302263), (5317, 186008), (10634, 93004), (21268, 46502), (23251, 42536)]