9781460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2213}}^1$

素因数の和:2252

約数の個数: 48

約数和(自身を含む): 23432976

約数和(自身を除く): 13651516

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 2213, 4420, 4426, 8852, 11065, 22130, 28769, 37621, 44260, 57538, 75242, 115076, 143845, 150484, 188105, 287690, 376210, 489073, 575380, 752420, 978146, 1956292, 2445365, 4890730, 9781460]

約数ペア:

[(1, 9781460), (2, 4890730), (4, 2445365), (5, 1956292), (10, 978146), (13, 752420), (17, 575380), (20, 489073), (26, 376210), (34, 287690), (52, 188105), (65, 150484), (68, 143845), (85, 115076), (130, 75242), (170, 57538), (221, 44260), (260, 37621), (340, 28769), (442, 22130), (884, 11065), (1105, 8852), (2210, 4426), (2213, 4420)]