66886615

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 86313600

約数和(自身を除く): 19426985

約数列:

[1, 5, 29, 71, 73, 89, 145, 355, 365, 445, 2059, 2117, 2581, 5183, 6319, 6497, 10295, 10585, 12905, 25915, 31595, 32485, 150307, 183251, 188413, 461287, 751535, 916255, 942065, 2306435, 13377323, 66886615]

約数ペア:

[(1, 66886615), (5, 13377323), (29, 2306435), (71, 942065), (73, 916255), (89, 751535), (145, 461287), (355, 188413), (365, 183251), (445, 150307), (2059, 32485), (2117, 31595), (2581, 25915), (5183, 12905), (6319, 10585), (6497, 10295)]