643428

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:364

約数の個数: 36

約数和(自身を含む): 1658748

約数和(自身を除く): 1015320

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 244, 293, 366, 549, 586, 732, 879, 1098, 1172, 1758, 2196, 2637, 3516, 5274, 10548, 17873, 35746, 53619, 71492, 107238, 160857, 214476, 321714, 643428]

約数ペア:

[(1, 643428), (2, 321714), (3, 214476), (4, 160857), (6, 107238), (9, 71492), (12, 53619), (18, 35746), (36, 17873), (61, 10548), (122, 5274), (183, 3516), (244, 2637), (293, 2196), (366, 1758), (549, 1172), (586, 1098), (732, 879)]