81683328

素因数分解:

$2^7\times 3^1\times {\mathrm{281}}^1\times {\mathrm{757}}^1$

素因数の和:1055

約数の個数: 64

約数和(自身を含む): 218031120

約数和(自身を除く): 136347792

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 281, 384, 562, 757, 843, 1124, 1514, 1686, 2248, 2271, 3028, 3372, 4496, 4542, 6056, 6744, 8992, 9084, 12112, 13488, 17984, 18168, 24224, 26976, 35968, 36336, 48448, 53952, 72672, 96896, 107904, 145344, 212717, 290688, 425434, 638151, 850868, 1276302, 1701736, 2552604, 3403472, 5105208, 6806944, 10210416, 13613888, 20420832, 27227776, 40841664, 81683328]

約数ペア:

[(1, 81683328), (2, 40841664), (3, 27227776), (4, 20420832), (6, 13613888), (8, 10210416), (12, 6806944), (16, 5105208), (24, 3403472), (32, 2552604), (48, 1701736), (64, 1276302), (96, 850868), (128, 638151), (192, 425434), (281, 290688), (384, 212717), (562, 145344), (757, 107904), (843, 96896), (1124, 72672), (1514, 53952), (1686, 48448), (2248, 36336), (2271, 35968), (3028, 26976), (3372, 24224), (4496, 18168), (4542, 17984), (6056, 13488), (6744, 12112), (8992, 9084)]