138399872

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2741

約数の個数: 64

約数和(自身を含む): 306620160

約数和(自身を除く): 168220288

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 2683, 3224, 3968, 5366, 6448, 10732, 12896, 21464, 25792, 34879, 42928, 51584, 69758, 83173, 85856, 139516, 166346, 171712, 279032, 332692, 343424, 558064, 665384, 1081249, 1116128, 1330768, 2162498, 2232256, 2661536, 4324996, 4464512, 5323072, 8649992, 10646144, 17299984, 34599968, 69199936, 138399872]

約数ペア:

[(1, 138399872), (2, 69199936), (4, 34599968), (8, 17299984), (13, 10646144), (16, 8649992), (26, 5323072), (31, 4464512), (32, 4324996), (52, 2661536), (62, 2232256), (64, 2162498), (104, 1330768), (124, 1116128), (128, 1081249), (208, 665384), (248, 558064), (403, 343424), (416, 332692), (496, 279032), (806, 171712), (832, 166346), (992, 139516), (1612, 85856), (1664, 83173), (1984, 69758), (2683, 51584), (3224, 42928), (3968, 34879), (5366, 25792), (6448, 21464), (10732, 12896)]