279480708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:754

約数の個数: 108

約数和(自身を含む): 776962368

約数和(自身を除く): 497481660

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 71, 78, 117, 142, 156, 169, 213, 234, 284, 338, 426, 468, 507, 639, 647, 676, 852, 923, 1014, 1278, 1294, 1521, 1846, 1941, 2028, 2556, 2588, 2769, 3042, 3692, 3882, 5538, 5823, 6084, 7764, 8307, 8411, 11076, 11646, 11999, 16614, 16822, 23292, 23998, 25233, 33228, 33644, 35997, 45937, 47996, 50466, 71994, 75699, 91874, 100932, 107991, 109343, 137811, 143988, 151398, 183748, 215982, 218686, 275622, 302796, 328029, 413433, 431964, 437372, 551244, 597181, 656058, 826866, 984087, 1194362, 1312116, 1653732, 1791543, 1968174, 2388724, 3583086, 3936348, 5374629, 7166172, 7763353, 10749258, 15526706, 21498516, 23290059, 31053412, 46580118, 69870177, 93160236, 139740354, 279480708]

約数ペア:

[(1, 279480708), (2, 139740354), (3, 93160236), (4, 69870177), (6, 46580118), (9, 31053412), (12, 23290059), (13, 21498516), (18, 15526706), (26, 10749258), (36, 7763353), (39, 7166172), (52, 5374629), (71, 3936348), (78, 3583086), (117, 2388724), (142, 1968174), (156, 1791543), (169, 1653732), (213, 1312116), (234, 1194362), (284, 984087), (338, 826866), (426, 656058), (468, 597181), (507, 551244), (639, 437372), (647, 431964), (676, 413433), (852, 328029), (923, 302796), (1014, 275622), (1278, 218686), (1294, 215982), (1521, 183748), (1846, 151398), (1941, 143988), (2028, 137811), (2556, 109343), (2588, 107991), (2769, 100932), (3042, 91874), (3692, 75699), (3882, 71994), (5538, 50466), (5823, 47996), (6084, 45937), (7764, 35997), (8307, 33644), (8411, 33228), (11076, 25233), (11646, 23998), (11999, 23292), (16614, 16822)]