221279395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1195

約数の個数: 32

約数和(自身を含む): 294174720

約数和(自身を除く): 72895325

約数列:

[1, 5, 17, 31, 79, 85, 155, 395, 527, 1063, 1343, 2449, 2635, 5315, 6715, 12245, 18071, 32953, 41633, 83977, 90355, 164765, 208165, 419885, 560201, 1427609, 2603287, 2801005, 7138045, 13016435, 44255879, 221279395]

約数ペア:

[(1, 221279395), (5, 44255879), (17, 13016435), (31, 7138045), (79, 2801005), (85, 2603287), (155, 1427609), (395, 560201), (527, 419885), (1063, 208165), (1343, 164765), (2449, 90355), (2635, 83977), (5315, 41633), (6715, 32953), (12245, 18071)]