27956110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1049

約数の個数: 64

約数和(自身を含む): 63995904

約数和(自身を除く): 36039794

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 991, 1085, 1982, 2015, 2170, 2821, 4030, 4955, 5642, 6937, 9910, 12883, 13874, 14105, 25766, 28210, 30721, 34685, 61442, 64415, 69370, 90181, 128830, 153605, 180362, 215047, 307210, 399373, 430094, 450905, 798746, 901810, 1075235, 1996865, 2150470, 2795611, 3993730, 5591222, 13978055, 27956110]

約数ペア:

[(1, 27956110), (2, 13978055), (5, 5591222), (7, 3993730), (10, 2795611), (13, 2150470), (14, 1996865), (26, 1075235), (31, 901810), (35, 798746), (62, 450905), (65, 430094), (70, 399373), (91, 307210), (130, 215047), (155, 180362), (182, 153605), (217, 128830), (310, 90181), (403, 69370), (434, 64415), (455, 61442), (806, 34685), (910, 30721), (991, 28210), (1085, 25766), (1982, 14105), (2015, 13874), (2170, 12883), (2821, 9910), (4030, 6937), (4955, 5642)]