16780452

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 42430080

約数和(自身を除く): 25649628

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 263, 409, 526, 789, 818, 1052, 1227, 1578, 1636, 2454, 3156, 3419, 4908, 5317, 6838, 10257, 10634, 13676, 15951, 20514, 21268, 31902, 41028, 63804, 107567, 215134, 322701, 430268, 645402, 1290804, 1398371, 2796742, 4195113, 5593484, 8390226, 16780452]

約数ペア:

[(1, 16780452), (2, 8390226), (3, 5593484), (4, 4195113), (6, 2796742), (12, 1398371), (13, 1290804), (26, 645402), (39, 430268), (52, 322701), (78, 215134), (156, 107567), (263, 63804), (409, 41028), (526, 31902), (789, 21268), (818, 20514), (1052, 15951), (1227, 13676), (1578, 10634), (1636, 10257), (2454, 6838), (3156, 5317), (3419, 4908)]