81421408

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 165533760

約数和(自身を除く): 84112352

約数列:

[1, 2, 4, 8, 16, 32, 41, 82, 164, 229, 271, 328, 458, 542, 656, 916, 1084, 1312, 1832, 2168, 3664, 4336, 7328, 8672, 9389, 11111, 18778, 22222, 37556, 44444, 62059, 75112, 88888, 124118, 150224, 177776, 248236, 300448, 355552, 496472, 992944, 1985888, 2544419, 5088838, 10177676, 20355352, 40710704, 81421408]

約数ペア:

[(1, 81421408), (2, 40710704), (4, 20355352), (8, 10177676), (16, 5088838), (32, 2544419), (41, 1985888), (82, 992944), (164, 496472), (229, 355552), (271, 300448), (328, 248236), (458, 177776), (542, 150224), (656, 124118), (916, 88888), (1084, 75112), (1312, 62059), (1832, 44444), (2168, 37556), (3664, 22222), (4336, 18778), (7328, 11111), (8672, 9389)]