205696508

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 391184640

約数和(自身を除く): 185488132

約数列:

[1, 2, 4, 19, 38, 41, 76, 82, 164, 251, 263, 502, 526, 779, 1004, 1052, 1558, 3116, 4769, 4997, 9538, 9994, 10291, 10783, 19076, 19988, 20582, 21566, 41164, 43132, 66013, 132026, 195529, 204877, 264052, 391058, 409754, 782116, 819508, 1254247, 2508494, 2706533, 5016988, 5413066, 10826132, 51424127, 102848254, 205696508]

約数ペア:

[(1, 205696508), (2, 102848254), (4, 51424127), (19, 10826132), (38, 5413066), (41, 5016988), (76, 2706533), (82, 2508494), (164, 1254247), (251, 819508), (263, 782116), (502, 409754), (526, 391058), (779, 264052), (1004, 204877), (1052, 195529), (1558, 132026), (3116, 66013), (4769, 43132), (4997, 41164), (9538, 21566), (9994, 20582), (10291, 19988), (10783, 19076)]