81867032

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{379}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 173644800

約数和(自身を除く): 91777768

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 104, 124, 134, 248, 268, 379, 403, 536, 758, 806, 871, 1516, 1612, 1742, 2077, 3032, 3224, 3484, 4154, 4927, 6968, 8308, 9854, 11749, 16616, 19708, 23498, 25393, 27001, 39416, 46996, 50786, 54002, 93992, 101572, 108004, 152737, 203144, 216008, 305474, 330109, 610948, 660218, 787183, 1221896, 1320436, 1574366, 2640872, 3148732, 6297464, 10233379, 20466758, 40933516, 81867032]

約数ペア:

[(1, 81867032), (2, 40933516), (4, 20466758), (8, 10233379), (13, 6297464), (26, 3148732), (31, 2640872), (52, 1574366), (62, 1320436), (67, 1221896), (104, 787183), (124, 660218), (134, 610948), (248, 330109), (268, 305474), (379, 216008), (403, 203144), (536, 152737), (758, 108004), (806, 101572), (871, 93992), (1516, 54002), (1612, 50786), (1742, 46996), (2077, 39416), (3032, 27001), (3224, 25393), (3484, 23498), (4154, 19708), (4927, 16616), (6968, 11749), (8308, 9854)]