638166

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 1363968

約数和(自身を除く): 725802

約数列:

[1, 2, 3, 6, 31, 47, 62, 73, 93, 94, 141, 146, 186, 219, 282, 438, 1457, 2263, 2914, 3431, 4371, 4526, 6789, 6862, 8742, 10293, 13578, 20586, 106361, 212722, 319083, 638166]

約数ペア:

[(1, 638166), (2, 319083), (3, 212722), (6, 106361), (31, 20586), (47, 13578), (62, 10293), (73, 8742), (93, 6862), (94, 6789), (141, 4526), (146, 4371), (186, 3431), (219, 2914), (282, 2263), (438, 1457)]