28854826

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:140

約数の個数: 96

約数和(自身を含む): 62052480

約数和(自身を除く): 33197654

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 29, 49, 58, 71, 77, 91, 98, 142, 143, 154, 182, 203, 286, 319, 377, 406, 497, 539, 637, 638, 754, 781, 923, 994, 1001, 1078, 1274, 1421, 1562, 1846, 2002, 2059, 2233, 2639, 2842, 3479, 4118, 4147, 4466, 5278, 5467, 6461, 6958, 7007, 8294, 10153, 10934, 12922, 14014, 14413, 15631, 18473, 20306, 22649, 26767, 28826, 29029, 31262, 36946, 38269, 45227, 45298, 53534, 58058, 71071, 76538, 90454, 100891, 142142, 158543, 187369, 201782, 203203, 294437, 317086, 374738, 406406, 497497, 588874, 994994, 1109801, 1311583, 2061059, 2219602, 2623166, 4122118, 14427413, 28854826]

約数ペア:

[(1, 28854826), (2, 14427413), (7, 4122118), (11, 2623166), (13, 2219602), (14, 2061059), (22, 1311583), (26, 1109801), (29, 994994), (49, 588874), (58, 497497), (71, 406406), (77, 374738), (91, 317086), (98, 294437), (142, 203203), (143, 201782), (154, 187369), (182, 158543), (203, 142142), (286, 100891), (319, 90454), (377, 76538), (406, 71071), (497, 58058), (539, 53534), (637, 45298), (638, 45227), (754, 38269), (781, 36946), (923, 31262), (994, 29029), (1001, 28826), (1078, 26767), (1274, 22649), (1421, 20306), (1562, 18473), (1846, 15631), (2002, 14413), (2059, 14014), (2233, 12922), (2639, 10934), (2842, 10153), (3479, 8294), (4118, 7007), (4147, 6958), (4466, 6461), (5278, 5467)]