1990589094

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{2311}}^1$

素因数の和:2747

約数の個数: 80

約数和(自身を含む): 4817329440

約数和(自身を除く): 2826740346

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 351, 409, 702, 818, 1053, 1227, 2106, 2311, 2454, 3681, 4622, 5317, 6933, 7362, 10634, 11043, 13866, 15951, 20799, 22086, 30043, 31902, 33129, 41598, 47853, 60086, 62397, 66258, 90129, 95706, 124794, 143559, 180258, 187191, 270387, 287118, 374382, 430677, 540774, 811161, 861354, 945199, 1622322, 1890398, 2433483, 2835597, 4866966, 5671194, 8506791, 12287587, 17013582, 24575174, 25520373, 36862761, 51040746, 73725522, 76561119, 110588283, 153122238, 221176566, 331764849, 663529698, 995294547, 1990589094]

約数ペア:

[(1, 1990589094), (2, 995294547), (3, 663529698), (6, 331764849), (9, 221176566), (13, 153122238), (18, 110588283), (26, 76561119), (27, 73725522), (39, 51040746), (54, 36862761), (78, 25520373), (81, 24575174), (117, 17013582), (162, 12287587), (234, 8506791), (351, 5671194), (409, 4866966), (702, 2835597), (818, 2433483), (1053, 1890398), (1227, 1622322), (2106, 945199), (2311, 861354), (2454, 811161), (3681, 540774), (4622, 430677), (5317, 374382), (6933, 287118), (7362, 270387), (10634, 187191), (11043, 180258), (13866, 143559), (15951, 124794), (20799, 95706), (22086, 90129), (30043, 66258), (31902, 62397), (33129, 60086), (41598, 47853)]