987299561890

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1\times {\mathrm{1645801}}^1$

素因数の和:1646298

約数の個数: 32

約数和(自身を含む): 1791685889280

約数和(自身を除く): 804386327390

約数列:

[1, 2, 5, 10, 239, 251, 478, 502, 1195, 1255, 2390, 2510, 59989, 119978, 299945, 599890, 1645801, 3291602, 8229005, 16458010, 393346439, 413096051, 786692878, 826192102, 1966732195, 2065480255, 3933464390, 4130960510, 98729956189, 197459912378, 493649780945, 987299561890]

約数ペア:

[(1, 987299561890), (2, 493649780945), (5, 197459912378), (10, 98729956189), (239, 4130960510), (251, 3933464390), (478, 2065480255), (502, 1966732195), (1195, 826192102), (1255, 786692878), (2390, 413096051), (2510, 393346439), (59989, 16458010), (119978, 8229005), (299945, 3291602), (599890, 1645801)]