397390644

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{525649}}^1$

素因数の和:525669

約数の個数: 48

約数和(自身を含む): 1177456000

約数和(自身を除く): 780065356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 525649, 1051298, 1576947, 2102596, 3153894, 3679543, 4730841, 6307788, 7359086, 9461682, 11038629, 14192523, 14718172, 18923364, 22077258, 28385046, 33115887, 44154516, 56770092, 66231774, 99347661, 132463548, 198695322, 397390644]

約数ペア:

[(1, 397390644), (2, 198695322), (3, 132463548), (4, 99347661), (6, 66231774), (7, 56770092), (9, 44154516), (12, 33115887), (14, 28385046), (18, 22077258), (21, 18923364), (27, 14718172), (28, 14192523), (36, 11038629), (42, 9461682), (54, 7359086), (63, 6307788), (84, 4730841), (108, 3679543), (126, 3153894), (189, 2102596), (252, 1576947), (378, 1051298), (756, 525649)]