64978218

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{22993}}^1$

素因数の和:23158

約数の個数: 24

約数和(自身を含む): 141689028

約数和(自身を除く): 76710810

約数列:

[1, 2, 3, 6, 9, 18, 157, 314, 471, 942, 1413, 2826, 22993, 45986, 68979, 137958, 206937, 413874, 3609901, 7219802, 10829703, 21659406, 32489109, 64978218]

約数ペア:

[(1, 64978218), (2, 32489109), (3, 21659406), (6, 10829703), (9, 7219802), (18, 3609901), (157, 413874), (314, 206937), (471, 137958), (942, 68979), (1413, 45986), (2826, 22993)]