28402668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2749}}^1$

素因数の和:2807

約数の個数: 72

約数和(自身を含む): 84084000

約数和(自身を除く): 55681332

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, 2749, 3444, 5166, 5498, 8247, 10332, 10996, 16494, 19243, 24741, 32988, 38486, 49482, 57729, 76972, 98964, 112709, 115458, 173187, 225418, 230916, 338127, 346374, 450836, 676254, 692748, 788963, 1014381, 1352508, 1577926, 2028762, 2366889, 3155852, 4057524, 4733778, 7100667, 9467556, 14201334, 28402668]

約数ペア:

[(1, 28402668), (2, 14201334), (3, 9467556), (4, 7100667), (6, 4733778), (7, 4057524), (9, 3155852), (12, 2366889), (14, 2028762), (18, 1577926), (21, 1352508), (28, 1014381), (36, 788963), (41, 692748), (42, 676254), (63, 450836), (82, 346374), (84, 338127), (123, 230916), (126, 225418), (164, 173187), (246, 115458), (252, 112709), (287, 98964), (369, 76972), (492, 57729), (574, 49482), (738, 38486), (861, 32988), (1148, 24741), (1476, 19243), (1722, 16494), (2583, 10996), (2749, 10332), (3444, 8247), (5166, 5498)]