81504064

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1$

素因数の和:491

約数の個数: 56

約数和(自身を含む): 168021000

約数和(自身を除く): 86516936

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 89, 164, 178, 328, 349, 356, 656, 698, 712, 1312, 1396, 1424, 2624, 2792, 2848, 3649, 5584, 5696, 7298, 11168, 14309, 14596, 22336, 28618, 29192, 31061, 57236, 58384, 62122, 114472, 116768, 124244, 228944, 233536, 248488, 457888, 496976, 915776, 993952, 1273501, 1987904, 2547002, 5094004, 10188008, 20376016, 40752032, 81504064]

約数ペア:

[(1, 81504064), (2, 40752032), (4, 20376016), (8, 10188008), (16, 5094004), (32, 2547002), (41, 1987904), (64, 1273501), (82, 993952), (89, 915776), (164, 496976), (178, 457888), (328, 248488), (349, 233536), (356, 228944), (656, 124244), (698, 116768), (712, 114472), (1312, 62122), (1396, 58384), (1424, 57236), (2624, 31061), (2792, 29192), (2848, 28618), (3649, 22336), (5584, 14596), (5696, 14309), (7298, 11168)]