1991750404

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{9661}}^1$

素因数の和:9908

約数の個数: 48

約数和(自身を含む): 4112147200

約数和(自身を除く): 2120396796

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 199, 259, 398, 518, 796, 1036, 1393, 2786, 5572, 7363, 9661, 14726, 19322, 29452, 38644, 51541, 67627, 103082, 135254, 206164, 270508, 357457, 714914, 1429828, 1922539, 2502199, 3845078, 5004398, 7690156, 10008796, 13457773, 26915546, 53831092, 71133943, 142267886, 284535772, 497937601, 995875202, 1991750404]

約数ペア:

[(1, 1991750404), (2, 995875202), (4, 497937601), (7, 284535772), (14, 142267886), (28, 71133943), (37, 53831092), (74, 26915546), (148, 13457773), (199, 10008796), (259, 7690156), (398, 5004398), (518, 3845078), (796, 2502199), (1036, 1922539), (1393, 1429828), (2786, 714914), (5572, 357457), (7363, 270508), (9661, 206164), (14726, 135254), (19322, 103082), (29452, 67627), (38644, 51541)]