217279728

素因数分解:

$2^4\times 3^2\times {\mathrm{109}}^2\times {\mathrm{127}}^1$

素因数の和:359

約数の個数: 90

約数和(自身を含む): 618543744

約数和(自身を除く): 401264016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 109, 127, 144, 218, 254, 327, 381, 436, 508, 654, 762, 872, 981, 1016, 1143, 1308, 1524, 1744, 1962, 2032, 2286, 2616, 3048, 3924, 4572, 5232, 6096, 7848, 9144, 11881, 13843, 15696, 18288, 23762, 27686, 35643, 41529, 47524, 55372, 71286, 83058, 95048, 106929, 110744, 124587, 142572, 166116, 190096, 213858, 221488, 249174, 285144, 332232, 427716, 498348, 570288, 664464, 855432, 996696, 1508887, 1710864, 1993392, 3017774, 4526661, 6035548, 9053322, 12071096, 13579983, 18106644, 24142192, 27159966, 36213288, 54319932, 72426576, 108639864, 217279728]

約数ペア:

[(1, 217279728), (2, 108639864), (3, 72426576), (4, 54319932), (6, 36213288), (8, 27159966), (9, 24142192), (12, 18106644), (16, 13579983), (18, 12071096), (24, 9053322), (36, 6035548), (48, 4526661), (72, 3017774), (109, 1993392), (127, 1710864), (144, 1508887), (218, 996696), (254, 855432), (327, 664464), (381, 570288), (436, 498348), (508, 427716), (654, 332232), (762, 285144), (872, 249174), (981, 221488), (1016, 213858), (1143, 190096), (1308, 166116), (1524, 142572), (1744, 124587), (1962, 110744), (2032, 106929), (2286, 95048), (2616, 83058), (3048, 71286), (3924, 55372), (4572, 47524), (5232, 41529), (6096, 35643), (7848, 27686), (9144, 23762), (11881, 18288), (13843, 15696)]