81846466

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 149361408

約数和(自身を除く): 67514942

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 83, 97, 166, 194, 221, 299, 391, 442, 598, 782, 1079, 1261, 1411, 1649, 1909, 2158, 2231, 2522, 2822, 3298, 3818, 4462, 5083, 8051, 10166, 16102, 18343, 21437, 24817, 29003, 32453, 36686, 37927, 42874, 49634, 58006, 64906, 75854, 104663, 136867, 185173, 209326, 273734, 370346, 421889, 493051, 843778, 986102, 1779271, 2407249, 3147941, 3558542, 4814498, 6295882, 40923233, 81846466]

約数ペア:

[(1, 81846466), (2, 40923233), (13, 6295882), (17, 4814498), (23, 3558542), (26, 3147941), (34, 2407249), (46, 1779271), (83, 986102), (97, 843778), (166, 493051), (194, 421889), (221, 370346), (299, 273734), (391, 209326), (442, 185173), (598, 136867), (782, 104663), (1079, 75854), (1261, 64906), (1411, 58006), (1649, 49634), (1909, 42874), (2158, 37927), (2231, 36686), (2522, 32453), (2822, 29003), (3298, 24817), (3818, 21437), (4462, 18343), (5083, 16102), (8051, 10166)]