28361305

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:297

約数の個数: 32

約数和(自身を含む): 40186368

約数和(自身を除く): 11825063

約数列:

[1, 5, 7, 35, 71, 101, 113, 355, 497, 505, 565, 707, 791, 2485, 3535, 3955, 7171, 8023, 11413, 35855, 40115, 50197, 56161, 57065, 79891, 250985, 280805, 399455, 810323, 4051615, 5672261, 28361305]

約数ペア:

[(1, 28361305), (5, 5672261), (7, 4051615), (35, 810323), (71, 399455), (101, 280805), (113, 250985), (355, 79891), (497, 57065), (505, 56161), (565, 50197), (707, 40115), (791, 35855), (2485, 11413), (3535, 8023), (3955, 7171)]