78427128

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1453}}^1$

素因数の和:1648

約数の個数: 64

約数和(自身を含む): 212516640

約数和(自身を除く): 134089512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 173, 312, 346, 519, 692, 1038, 1384, 1453, 2076, 2249, 2906, 4152, 4359, 4498, 5812, 6747, 8718, 8996, 11624, 13494, 17436, 17992, 18889, 26988, 34872, 37778, 53976, 56667, 75556, 113334, 151112, 226668, 251369, 453336, 502738, 754107, 1005476, 1508214, 2010952, 3016428, 3267797, 6032856, 6535594, 9803391, 13071188, 19606782, 26142376, 39213564, 78427128]

約数ペア:

[(1, 78427128), (2, 39213564), (3, 26142376), (4, 19606782), (6, 13071188), (8, 9803391), (12, 6535594), (13, 6032856), (24, 3267797), (26, 3016428), (39, 2010952), (52, 1508214), (78, 1005476), (104, 754107), (156, 502738), (173, 453336), (312, 251369), (346, 226668), (519, 151112), (692, 113334), (1038, 75556), (1384, 56667), (1453, 53976), (2076, 37778), (2249, 34872), (2906, 26988), (4152, 18889), (4359, 17992), (4498, 17436), (5812, 13494), (6747, 11624), (8718, 8996)]