81341988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{74489}}^1$

素因数の和:74516

約数の個数: 48

約数和(自身を含む): 233600640

約数和(自身を除く): 152258652

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 74489, 148978, 223467, 297956, 446934, 521423, 893868, 968357, 1042846, 1564269, 1936714, 2085692, 2905071, 3128538, 3873428, 5810142, 6257076, 6778499, 11620284, 13556998, 20335497, 27113996, 40670994, 81341988]

約数ペア:

[(1, 81341988), (2, 40670994), (3, 27113996), (4, 20335497), (6, 13556998), (7, 11620284), (12, 6778499), (13, 6257076), (14, 5810142), (21, 3873428), (26, 3128538), (28, 2905071), (39, 2085692), (42, 1936714), (52, 1564269), (78, 1042846), (84, 968357), (91, 893868), (156, 521423), (182, 446934), (273, 297956), (364, 223467), (546, 148978), (1092, 74489)]