664352822

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1213}}^1$

素因数の和:1341

約数の個数: 64

約数和(自身を含む): 1258675200

約数和(自身を除く): 594322378

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 71, 133, 142, 203, 266, 406, 497, 551, 994, 1102, 1213, 1349, 2059, 2426, 2698, 3857, 4118, 7714, 8491, 9443, 14413, 16982, 18886, 23047, 28826, 35177, 39121, 46094, 70354, 78242, 86123, 161329, 172246, 246239, 273847, 322658, 492478, 547694, 602861, 668363, 1205722, 1336726, 1636337, 2497567, 3272674, 4678541, 4995134, 9357082, 11454359, 17482969, 22908718, 34965938, 47453773, 94907546, 332176411, 664352822]

約数ペア:

[(1, 664352822), (2, 332176411), (7, 94907546), (14, 47453773), (19, 34965938), (29, 22908718), (38, 17482969), (58, 11454359), (71, 9357082), (133, 4995134), (142, 4678541), (203, 3272674), (266, 2497567), (406, 1636337), (497, 1336726), (551, 1205722), (994, 668363), (1102, 602861), (1213, 547694), (1349, 492478), (2059, 322658), (2426, 273847), (2698, 246239), (3857, 172246), (4118, 161329), (7714, 86123), (8491, 78242), (9443, 70354), (14413, 46094), (16982, 39121), (18886, 35177), (23047, 28826)]