389417392

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3767}}^1$

素因数の和:3866

約数の個数: 80

約数和(自身を含む): 941939712

約数和(自身を除く): 552522320

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 71, 91, 104, 112, 142, 182, 208, 284, 364, 497, 568, 728, 923, 994, 1136, 1456, 1846, 1988, 3692, 3767, 3976, 6461, 7384, 7534, 7952, 12922, 14768, 15068, 25844, 26369, 30136, 48971, 51688, 52738, 60272, 97942, 103376, 105476, 195884, 210952, 267457, 342797, 391768, 421904, 534914, 685594, 783536, 1069828, 1371188, 1872199, 2139656, 2742376, 3476941, 3744398, 4279312, 5484752, 6953882, 7488796, 13907764, 14977592, 24338587, 27815528, 29955184, 48677174, 55631056, 97354348, 194708696, 389417392]

約数ペア:

[(1, 389417392), (2, 194708696), (4, 97354348), (7, 55631056), (8, 48677174), (13, 29955184), (14, 27815528), (16, 24338587), (26, 14977592), (28, 13907764), (52, 7488796), (56, 6953882), (71, 5484752), (91, 4279312), (104, 3744398), (112, 3476941), (142, 2742376), (182, 2139656), (208, 1872199), (284, 1371188), (364, 1069828), (497, 783536), (568, 685594), (728, 534914), (923, 421904), (994, 391768), (1136, 342797), (1456, 267457), (1846, 210952), (1988, 195884), (3692, 105476), (3767, 103376), (3976, 97942), (6461, 60272), (7384, 52738), (7534, 51688), (7952, 48971), (12922, 30136), (14768, 26369), (15068, 25844)]