28158156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{60167}}^1$

素因数の和:60190

約数の個数: 36

約数和(自身を含む): 76654032

約数和(自身を除く): 48495876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 60167, 120334, 180501, 240668, 361002, 541503, 722004, 782171, 1083006, 1564342, 2166012, 2346513, 3128684, 4693026, 7039539, 9386052, 14079078, 28158156]

約数ペア:

[(1, 28158156), (2, 14079078), (3, 9386052), (4, 7039539), (6, 4693026), (9, 3128684), (12, 2346513), (13, 2166012), (18, 1564342), (26, 1083006), (36, 782171), (39, 722004), (52, 541503), (78, 361002), (117, 240668), (156, 180501), (234, 120334), (468, 60167)]