87405136

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 210236544

約数和(自身を除く): 122831408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 173, 182, 208, 346, 347, 364, 692, 694, 728, 1211, 1384, 1388, 1456, 2249, 2422, 2429, 2768, 2776, 4498, 4511, 4844, 4858, 5552, 8996, 9022, 9688, 9716, 15743, 17992, 18044, 19376, 19432, 31486, 31577, 35984, 36088, 38864, 60031, 62972, 63154, 72176, 120062, 125944, 126308, 240124, 251888, 252616, 420217, 480248, 505232, 780403, 840434, 960496, 1560806, 1680868, 3121612, 3361736, 5462821, 6243224, 6723472, 10925642, 12486448, 21851284, 43702568, 87405136]

約数ペア:

[(1, 87405136), (2, 43702568), (4, 21851284), (7, 12486448), (8, 10925642), (13, 6723472), (14, 6243224), (16, 5462821), (26, 3361736), (28, 3121612), (52, 1680868), (56, 1560806), (91, 960496), (104, 840434), (112, 780403), (173, 505232), (182, 480248), (208, 420217), (346, 252616), (347, 251888), (364, 240124), (692, 126308), (694, 125944), (728, 120062), (1211, 72176), (1384, 63154), (1388, 62972), (1456, 60031), (2249, 38864), (2422, 36088), (2429, 35984), (2768, 31577), (2776, 31486), (4498, 19432), (4511, 19376), (4844, 18044), (4858, 17992), (5552, 15743), (8996, 9716), (9022, 9688)]