2011303870

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1\times {\mathrm{6547}}^1$

素因数の和:7576

約数の個数: 32

約数和(自身を含む): 3741474816

約数和(自身を除く): 1730170946

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 991, 1982, 4955, 6547, 9910, 13094, 30721, 32735, 61442, 65470, 153605, 202957, 307210, 405914, 1014785, 2029570, 6488077, 12976154, 32440385, 64880770, 201130387, 402260774, 1005651935, 2011303870]

約数ペア:

[(1, 2011303870), (2, 1005651935), (5, 402260774), (10, 201130387), (31, 64880770), (62, 32440385), (155, 12976154), (310, 6488077), (991, 2029570), (1982, 1014785), (4955, 405914), (6547, 307210), (9910, 202957), (13094, 153605), (30721, 65470), (32735, 61442)]