81116336

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 188940288

約数和(自身を除く): 107823952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 61, 62, 112, 122, 124, 217, 244, 248, 383, 427, 434, 488, 496, 766, 854, 868, 976, 1532, 1708, 1736, 1891, 2681, 3064, 3416, 3472, 3782, 5362, 6128, 6832, 7564, 10724, 11873, 13237, 15128, 21448, 23363, 23746, 26474, 30256, 42896, 46726, 47492, 52948, 83111, 93452, 94984, 105896, 163541, 166222, 186904, 189968, 211792, 327082, 332444, 373808, 654164, 664888, 724253, 1308328, 1329776, 1448506, 2616656, 2897012, 5069771, 5794024, 10139542, 11588048, 20279084, 40558168, 81116336]

約数ペア:

[(1, 81116336), (2, 40558168), (4, 20279084), (7, 11588048), (8, 10139542), (14, 5794024), (16, 5069771), (28, 2897012), (31, 2616656), (56, 1448506), (61, 1329776), (62, 1308328), (112, 724253), (122, 664888), (124, 654164), (217, 373808), (244, 332444), (248, 327082), (383, 211792), (427, 189968), (434, 186904), (488, 166222), (496, 163541), (766, 105896), (854, 94984), (868, 93452), (976, 83111), (1532, 52948), (1708, 47492), (1736, 46726), (1891, 42896), (2681, 30256), (3064, 26474), (3416, 23746), (3472, 23363), (3782, 21448), (5362, 15128), (6128, 13237), (6832, 11873), (7564, 10724)]