158416895

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{877}}^1$

素因数の和:1299

約数の個数: 32

約数和(自身を含む): 234826368

約数和(自身を除く): 76409473

約数列:

[1, 5, 7, 13, 35, 65, 91, 397, 455, 877, 1985, 2779, 4385, 5161, 6139, 11401, 13895, 25805, 30695, 36127, 57005, 79807, 180635, 348169, 399035, 1740845, 2437183, 4526197, 12185915, 22630985, 31683379, 158416895]

約数ペア:

[(1, 158416895), (5, 31683379), (7, 22630985), (13, 12185915), (35, 4526197), (65, 2437183), (91, 1740845), (397, 399035), (455, 348169), (877, 180635), (1985, 79807), (2779, 57005), (4385, 36127), (5161, 30695), (6139, 25805), (11401, 13895)]