251157648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{747493}}^1$

素因数の和:747511

約数の個数: 40

約数和(自身を含む): 741514048

約数和(自身を除く): 490356400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 747493, 1494986, 2242479, 2989972, 4484958, 5232451, 5979944, 8969916, 10464902, 11959888, 15697353, 17939832, 20929804, 31394706, 35879664, 41859608, 62789412, 83719216, 125578824, 251157648]

約数ペア:

[(1, 251157648), (2, 125578824), (3, 83719216), (4, 62789412), (6, 41859608), (7, 35879664), (8, 31394706), (12, 20929804), (14, 17939832), (16, 15697353), (21, 11959888), (24, 10464902), (28, 8969916), (42, 5979944), (48, 5232451), (56, 4484958), (84, 2989972), (112, 2242479), (168, 1494986), (336, 747493)]