25138638

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1669

約数の個数: 48

約数和(自身を含む): 62764416

約数和(自身を除く): 37625778

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1523, 1834, 2358, 2751, 3046, 4569, 5502, 8253, 9138, 10661, 13707, 16506, 21322, 27414, 31983, 63966, 95949, 191898, 199513, 399026, 598539, 1197078, 1396591, 1795617, 2793182, 3591234, 4189773, 8379546, 12569319, 25138638]

約数ペア:

[(1, 25138638), (2, 12569319), (3, 8379546), (6, 4189773), (7, 3591234), (9, 2793182), (14, 1795617), (18, 1396591), (21, 1197078), (42, 598539), (63, 399026), (126, 199513), (131, 191898), (262, 95949), (393, 63966), (786, 31983), (917, 27414), (1179, 21322), (1523, 16506), (1834, 13707), (2358, 10661), (2751, 9138), (3046, 8253), (4569, 5502)]