1986466139

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3323}}^1$

素因数の和:3479

約数の個数: 32

約数和(自身を含む): 2450718720

約数和(自身を除く): 464252581

約数列:

[1, 7, 23, 47, 79, 161, 329, 553, 1081, 1817, 3323, 3713, 7567, 12719, 23261, 25991, 76429, 85399, 156181, 262517, 535003, 597793, 1093267, 1837619, 3592163, 6037891, 12338299, 25145141, 42265237, 86368093, 283780877, 1986466139]

約数ペア:

[(1, 1986466139), (7, 283780877), (23, 86368093), (47, 42265237), (79, 25145141), (161, 12338299), (329, 6037891), (553, 3592163), (1081, 1837619), (1817, 1093267), (3323, 597793), (3713, 535003), (7567, 262517), (12719, 156181), (23261, 85399), (25991, 76429)]