28437318

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1$

素因数の和:680

約数の個数: 96

約数和(自身を含む): 78763776

約数和(自身を除く): 50326458

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 182, 189, 234, 243, 273, 351, 378, 486, 546, 567, 643, 702, 819, 1053, 1134, 1286, 1638, 1701, 1929, 2106, 2457, 3159, 3402, 3858, 4501, 4914, 5787, 6318, 7371, 8359, 9002, 11574, 13503, 14742, 16718, 17361, 22113, 25077, 27006, 34722, 40509, 44226, 50154, 52083, 58513, 75231, 81018, 104166, 117026, 121527, 150462, 156249, 175539, 225693, 243054, 312498, 351078, 364581, 451386, 526617, 677079, 729162, 1053234, 1093743, 1354158, 1579851, 2031237, 2187486, 3159702, 4062474, 4739553, 9479106, 14218659, 28437318]

約数ペア:

[(1, 28437318), (2, 14218659), (3, 9479106), (6, 4739553), (7, 4062474), (9, 3159702), (13, 2187486), (14, 2031237), (18, 1579851), (21, 1354158), (26, 1093743), (27, 1053234), (39, 729162), (42, 677079), (54, 526617), (63, 451386), (78, 364581), (81, 351078), (91, 312498), (117, 243054), (126, 225693), (162, 175539), (182, 156249), (189, 150462), (234, 121527), (243, 117026), (273, 104166), (351, 81018), (378, 75231), (486, 58513), (546, 52083), (567, 50154), (643, 44226), (702, 40509), (819, 34722), (1053, 27006), (1134, 25077), (1286, 22113), (1638, 17361), (1701, 16718), (1929, 14742), (2106, 13503), (2457, 11574), (3159, 9002), (3402, 8359), (3858, 7371), (4501, 6318), (4914, 5787)]