821330286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{16447}}^1$

素因数の和:16529

約数の個数: 64

約数和(自身を含む): 1989550080

約数和(自身を除く): 1168219794

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 41, 42, 58, 82, 87, 123, 174, 203, 246, 287, 406, 574, 609, 861, 1189, 1218, 1722, 2378, 3567, 7134, 8323, 16447, 16646, 24969, 32894, 49341, 49938, 98682, 115129, 230258, 345387, 476963, 674327, 690774, 953926, 1348654, 1430889, 2022981, 2861778, 3338741, 4045962, 4720289, 6677482, 9440578, 10016223, 14160867, 19555483, 20032446, 28321734, 39110966, 58666449, 117332898, 136888381, 273776762, 410665143, 821330286]

約数ペア:

[(1, 821330286), (2, 410665143), (3, 273776762), (6, 136888381), (7, 117332898), (14, 58666449), (21, 39110966), (29, 28321734), (41, 20032446), (42, 19555483), (58, 14160867), (82, 10016223), (87, 9440578), (123, 6677482), (174, 4720289), (203, 4045962), (246, 3338741), (287, 2861778), (406, 2022981), (574, 1430889), (609, 1348654), (861, 953926), (1189, 690774), (1218, 674327), (1722, 476963), (2378, 345387), (3567, 230258), (7134, 115129), (8323, 98682), (16447, 49938), (16646, 49341), (24969, 32894)]