28318986

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{421}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 63791208

約数和(自身を除く): 35472222

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 101, 111, 202, 222, 303, 333, 421, 606, 666, 842, 909, 1263, 1818, 2526, 3737, 3789, 7474, 7578, 11211, 15577, 22422, 31154, 33633, 42521, 46731, 67266, 85042, 93462, 127563, 140193, 255126, 280386, 382689, 765378, 1573277, 3146554, 4719831, 9439662, 14159493, 28318986]

約数ペア:

[(1, 28318986), (2, 14159493), (3, 9439662), (6, 4719831), (9, 3146554), (18, 1573277), (37, 765378), (74, 382689), (101, 280386), (111, 255126), (202, 140193), (222, 127563), (303, 93462), (333, 85042), (421, 67266), (606, 46731), (666, 42521), (842, 33633), (909, 31154), (1263, 22422), (1818, 15577), (2526, 11211), (3737, 7578), (3789, 7474)]