81213636

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{2551}}^1$

素因数の和:2944

約数の個数: 48

約数和(自身を含む): 217226240

約数和(自身を除く): 136012604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 379, 758, 1137, 1516, 2274, 2551, 2653, 4548, 5102, 5306, 7653, 7959, 10204, 10612, 15306, 15918, 17857, 30612, 31836, 35714, 53571, 71428, 107142, 214284, 966829, 1933658, 2900487, 3867316, 5800974, 6767803, 11601948, 13535606, 20303409, 27071212, 40606818, 81213636]

約数ペア:

[(1, 81213636), (2, 40606818), (3, 27071212), (4, 20303409), (6, 13535606), (7, 11601948), (12, 6767803), (14, 5800974), (21, 3867316), (28, 2900487), (42, 1933658), (84, 966829), (379, 214284), (758, 107142), (1137, 71428), (1516, 53571), (2274, 35714), (2551, 31836), (2653, 30612), (4548, 17857), (5102, 15918), (5306, 15306), (7653, 10612), (7959, 10204)]