639793345

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{1627}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 825200640

約数和(自身を除く): 185407295

約数列:

[1, 5, 31, 43, 59, 155, 215, 295, 1333, 1627, 1829, 2537, 6665, 8135, 9145, 12685, 50437, 69961, 78647, 95993, 252185, 349805, 393235, 479965, 2168791, 2975783, 4127699, 10843955, 14878915, 20638495, 127958669, 639793345]

約数ペア:

[(1, 639793345), (5, 127958669), (31, 20638495), (43, 14878915), (59, 10843955), (155, 4127699), (215, 2975783), (295, 2168791), (1333, 479965), (1627, 393235), (1829, 349805), (2537, 252185), (6665, 95993), (8135, 78647), (9145, 69961), (12685, 50437)]