31305415

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 10996025

約数列:

[1, 5, 17, 23, 67, 85, 115, 239, 335, 391, 1139, 1195, 1541, 1955, 4063, 5497, 5695, 7705, 16013, 20315, 26197, 27485, 80065, 93449, 130985, 272221, 368299, 467245, 1361105, 1841495, 6261083, 31305415]

約数ペア:

[(1, 31305415), (5, 6261083), (17, 1841495), (23, 1361105), (67, 467245), (85, 368299), (115, 272221), (239, 130985), (335, 93449), (391, 80065), (1139, 27485), (1195, 26197), (1541, 20315), (1955, 16013), (4063, 7705), (5497, 5695)]