311798988

素因数分解:

$2^2\times 3^2\times {\mathrm{661}}^1\times {\mathrm{13103}}^1$

素因数の和:13774

約数の個数: 36

約数和(自身を含む): 789411168

約数和(自身を除く): 477612180

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 661, 1322, 1983, 2644, 3966, 5949, 7932, 11898, 13103, 23796, 26206, 39309, 52412, 78618, 117927, 157236, 235854, 471708, 8661083, 17322166, 25983249, 34644332, 51966498, 77949747, 103932996, 155899494, 311798988]

約数ペア:

[(1, 311798988), (2, 155899494), (3, 103932996), (4, 77949747), (6, 51966498), (9, 34644332), (12, 25983249), (18, 17322166), (36, 8661083), (661, 471708), (1322, 235854), (1983, 157236), (2644, 117927), (3966, 78618), (5949, 52412), (7932, 39309), (11898, 26206), (13103, 23796)]