198657464

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 207768136

約数列:

[1, 2, 4, 8, 19, 38, 41, 76, 82, 127, 152, 164, 251, 254, 328, 502, 508, 779, 1004, 1016, 1558, 2008, 2413, 3116, 4769, 4826, 5207, 6232, 9538, 9652, 10291, 10414, 19076, 19304, 20582, 20828, 31877, 38152, 41164, 41656, 63754, 82328, 98933, 127508, 195529, 197866, 255016, 391058, 395732, 605663, 782116, 791464, 1211326, 1306957, 1564232, 2422652, 2613914, 4845304, 5227828, 10455656, 24832183, 49664366, 99328732, 198657464]

約数ペア:

[(1, 198657464), (2, 99328732), (4, 49664366), (8, 24832183), (19, 10455656), (38, 5227828), (41, 4845304), (76, 2613914), (82, 2422652), (127, 1564232), (152, 1306957), (164, 1211326), (251, 791464), (254, 782116), (328, 605663), (502, 395732), (508, 391058), (779, 255016), (1004, 197866), (1016, 195529), (1558, 127508), (2008, 98933), (2413, 82328), (3116, 63754), (4769, 41656), (4826, 41164), (5207, 38152), (6232, 31877), (9538, 20828), (9652, 20582), (10291, 19304), (10414, 19076)]