221465412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{878831}}^1$

素因数の和:878848

約数の個数: 36

約数和(自身を含む): 639789696

約数和(自身を除く): 418324284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 878831, 1757662, 2636493, 3515324, 5272986, 6151817, 7909479, 10545972, 12303634, 15818958, 18455451, 24607268, 31637916, 36910902, 55366353, 73821804, 110732706, 221465412]

約数ペア:

[(1, 221465412), (2, 110732706), (3, 73821804), (4, 55366353), (6, 36910902), (7, 31637916), (9, 24607268), (12, 18455451), (14, 15818958), (18, 12303634), (21, 10545972), (28, 7909479), (36, 6151817), (42, 5272986), (63, 3515324), (84, 2636493), (126, 1757662), (252, 878831)]