643272

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{547}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 1874160

約数和(自身を除く): 1230888

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 547, 588, 1094, 1176, 1641, 2188, 3282, 3829, 4376, 6564, 7658, 11487, 13128, 15316, 22974, 26803, 30632, 45948, 53606, 80409, 91896, 107212, 160818, 214424, 321636, 643272]

約数ペア:

[(1, 643272), (2, 321636), (3, 214424), (4, 160818), (6, 107212), (7, 91896), (8, 80409), (12, 53606), (14, 45948), (21, 30632), (24, 26803), (28, 22974), (42, 15316), (49, 13128), (56, 11487), (84, 7658), (98, 6564), (147, 4376), (168, 3829), (196, 3282), (294, 2188), (392, 1641), (547, 1176), (588, 1094)]