218203415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{467}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 291133440

約数和(自身を除く): 72930025

約数列:

[1, 5, 17, 23, 85, 115, 239, 391, 467, 1195, 1955, 2335, 4063, 5497, 7939, 10741, 20315, 27485, 39695, 53705, 93449, 111613, 182597, 467245, 558065, 912985, 1897421, 2567099, 9487105, 12835495, 43640683, 218203415]

約数ペア:

[(1, 218203415), (5, 43640683), (17, 12835495), (23, 9487105), (85, 2567099), (115, 1897421), (239, 912985), (391, 558065), (467, 467245), (1195, 182597), (1955, 111613), (2335, 93449), (4063, 53705), (5497, 39695), (7939, 27485), (10741, 20315)]