211898988

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{20509}}^1$

素因数の和:20567

約数の個数: 72

約数和(自身を含む): 627113760

約数和(自身を除く): 415214772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 246, 252, 287, 369, 492, 574, 738, 861, 1148, 1476, 1722, 2583, 3444, 5166, 10332, 20509, 41018, 61527, 82036, 123054, 143563, 184581, 246108, 287126, 369162, 430689, 574252, 738324, 840869, 861378, 1292067, 1681738, 1722756, 2522607, 2584134, 3363476, 5045214, 5168268, 5886083, 7567821, 10090428, 11772166, 15135642, 17658249, 23544332, 30271284, 35316498, 52974747, 70632996, 105949494, 211898988]

約数ペア:

[(1, 211898988), (2, 105949494), (3, 70632996), (4, 52974747), (6, 35316498), (7, 30271284), (9, 23544332), (12, 17658249), (14, 15135642), (18, 11772166), (21, 10090428), (28, 7567821), (36, 5886083), (41, 5168268), (42, 5045214), (63, 3363476), (82, 2584134), (84, 2522607), (123, 1722756), (126, 1681738), (164, 1292067), (246, 861378), (252, 840869), (287, 738324), (369, 574252), (492, 430689), (574, 369162), (738, 287126), (861, 246108), (1148, 184581), (1476, 143563), (1722, 123054), (2583, 82036), (3444, 61527), (5166, 41018), (10332, 20509)]