215373648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{640993}}^1$

素因数の和:641011

約数の個数: 40

約数和(自身を含む): 635866048

約数和(自身を除く): 420492400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 640993, 1281986, 1922979, 2563972, 3845958, 4486951, 5127944, 7691916, 8973902, 10255888, 13460853, 15383832, 17947804, 26921706, 30767664, 35895608, 53843412, 71791216, 107686824, 215373648]

約数ペア:

[(1, 215373648), (2, 107686824), (3, 71791216), (4, 53843412), (6, 35895608), (7, 30767664), (8, 26921706), (12, 17947804), (14, 15383832), (16, 13460853), (21, 10255888), (24, 8973902), (28, 7691916), (42, 5127944), (48, 4486951), (56, 3845958), (84, 2563972), (112, 1922979), (168, 1281986), (336, 640993)]