663999664

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{9631}}^1$

素因数の和:9809

約数の個数: 40

約数和(自身を含む): 1337692160

約数和(自身を除く): 673692496

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 4309, 8618, 9631, 17236, 19262, 34472, 38524, 68944, 77048, 154096, 298561, 597122, 1194244, 1338709, 2388488, 2677418, 4776976, 5354836, 10709672, 21419344, 41499979, 82999958, 165999916, 331999832, 663999664]

約数ペア:

[(1, 663999664), (2, 331999832), (4, 165999916), (8, 82999958), (16, 41499979), (31, 21419344), (62, 10709672), (124, 5354836), (139, 4776976), (248, 2677418), (278, 2388488), (496, 1338709), (556, 1194244), (1112, 597122), (2224, 298561), (4309, 154096), (8618, 77048), (9631, 68944), (17236, 38524), (19262, 34472)]