1277739152

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{431}}^1$

素因数の和:652

約数の個数: 80

約数和(自身を含む): 2639831040

約数和(自身を除く): 1362091888

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 139, 172, 248, 278, 344, 431, 496, 556, 688, 862, 1112, 1333, 1724, 2224, 2666, 3448, 4309, 5332, 5977, 6896, 8618, 10664, 11954, 13361, 17236, 18533, 21328, 23908, 26722, 34472, 37066, 47816, 53444, 59909, 68944, 74132, 95632, 106888, 119818, 148264, 185287, 213776, 239636, 296528, 370574, 479272, 574523, 741148, 958544, 1149046, 1482296, 1857179, 2298092, 2576087, 2964592, 3714358, 4596184, 5152174, 7428716, 9192368, 10304348, 14857432, 20608696, 29714864, 41217392, 79858697, 159717394, 319434788, 638869576, 1277739152]

約数ペア:

[(1, 1277739152), (2, 638869576), (4, 319434788), (8, 159717394), (16, 79858697), (31, 41217392), (43, 29714864), (62, 20608696), (86, 14857432), (124, 10304348), (139, 9192368), (172, 7428716), (248, 5152174), (278, 4596184), (344, 3714358), (431, 2964592), (496, 2576087), (556, 2298092), (688, 1857179), (862, 1482296), (1112, 1149046), (1333, 958544), (1724, 741148), (2224, 574523), (2666, 479272), (3448, 370574), (4309, 296528), (5332, 239636), (5977, 213776), (6896, 185287), (8618, 148264), (10664, 119818), (11954, 106888), (13361, 95632), (17236, 74132), (18533, 68944), (21328, 59909), (23908, 53444), (26722, 47816), (34472, 37066)]