31987638

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:533

約数の個数: 48

約数和(自身を含む): 72277920

約数和(自身を除く): 40290282

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 233, 261, 263, 466, 522, 526, 699, 789, 1398, 1578, 2097, 2367, 4194, 4734, 6757, 7627, 13514, 15254, 20271, 22881, 40542, 45762, 60813, 61279, 68643, 121626, 122558, 137286, 183837, 367674, 551511, 1103022, 1777091, 3554182, 5331273, 10662546, 15993819, 31987638]

約数ペア:

[(1, 31987638), (2, 15993819), (3, 10662546), (6, 5331273), (9, 3554182), (18, 1777091), (29, 1103022), (58, 551511), (87, 367674), (174, 183837), (233, 137286), (261, 122558), (263, 121626), (466, 68643), (522, 61279), (526, 60813), (699, 45762), (789, 40542), (1398, 22881), (1578, 20271), (2097, 15254), (2367, 13514), (4194, 7627), (4734, 6757)]