289301285

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2801}}^1$

素因数の和:3053

約数の個数: 32

約数和(自身を含む): 429311232

約数和(自身を除く): 140009947

約数列:

[1, 5, 7, 13, 35, 65, 91, 227, 455, 1135, 1589, 2801, 2951, 7945, 14005, 14755, 19607, 20657, 36413, 98035, 103285, 182065, 254891, 635827, 1274455, 3179135, 4450789, 8265751, 22253945, 41328755, 57860257, 289301285]

約数ペア:

[(1, 289301285), (5, 57860257), (7, 41328755), (13, 22253945), (35, 8265751), (65, 4450789), (91, 3179135), (227, 1274455), (455, 635827), (1135, 254891), (1589, 182065), (2801, 103285), (2951, 98035), (7945, 36413), (14005, 20657), (14755, 19607)]