3993730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 7999488

約数和(自身を除く): 4005758

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 991, 1982, 2015, 4030, 4955, 9910, 12883, 25766, 30721, 61442, 64415, 128830, 153605, 307210, 399373, 798746, 1996865, 3993730]

約数ペア:

[(1, 3993730), (2, 1996865), (5, 798746), (10, 399373), (13, 307210), (26, 153605), (31, 128830), (62, 64415), (65, 61442), (130, 30721), (155, 25766), (310, 12883), (403, 9910), (806, 4955), (991, 4030), (1982, 2015)]