395388

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{523}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 1173760

約数和(自身を除く): 778372

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, 523, 756, 1046, 1569, 2092, 3138, 3661, 4707, 6276, 7322, 9414, 10983, 14121, 14644, 18828, 21966, 28242, 32949, 43932, 56484, 65898, 98847, 131796, 197694, 395388]

約数ペア:

[(1, 395388), (2, 197694), (3, 131796), (4, 98847), (6, 65898), (7, 56484), (9, 43932), (12, 32949), (14, 28242), (18, 21966), (21, 18828), (27, 14644), (28, 14121), (36, 10983), (42, 9414), (54, 7322), (63, 6276), (84, 4707), (108, 3661), (126, 3138), (189, 2092), (252, 1569), (378, 1046), (523, 756)]