84125990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{991}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 163489536

約数和(自身を除く): 79363546

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 653, 991, 1306, 1982, 3265, 4955, 6530, 8489, 9910, 12883, 16978, 25766, 42445, 64415, 84890, 128830, 647123, 1294246, 3235615, 6471230, 8412599, 16825198, 42062995, 84125990]

約数ペア:

[(1, 84125990), (2, 42062995), (5, 16825198), (10, 8412599), (13, 6471230), (26, 3235615), (65, 1294246), (130, 647123), (653, 128830), (991, 84890), (1306, 64415), (1982, 42445), (3265, 25766), (4955, 16978), (6530, 12883), (8489, 9910)]