90108088

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 198443520

約数和(自身を除く): 108335432

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 131, 142, 173, 262, 284, 346, 497, 524, 568, 692, 917, 994, 1048, 1211, 1384, 1834, 1988, 2422, 3668, 3976, 4844, 7336, 9301, 9688, 12283, 18602, 22663, 24566, 37204, 45326, 49132, 65107, 74408, 85981, 90652, 98264, 130214, 158641, 171962, 181304, 260428, 317282, 343924, 520856, 634564, 687848, 1269128, 1609073, 3218146, 6436292, 11263511, 12872584, 22527022, 45054044, 90108088]

約数ペア:

[(1, 90108088), (2, 45054044), (4, 22527022), (7, 12872584), (8, 11263511), (14, 6436292), (28, 3218146), (56, 1609073), (71, 1269128), (131, 687848), (142, 634564), (173, 520856), (262, 343924), (284, 317282), (346, 260428), (497, 181304), (524, 171962), (568, 158641), (692, 130214), (917, 98264), (994, 90652), (1048, 85981), (1211, 74408), (1384, 65107), (1834, 49132), (1988, 45326), (2422, 37204), (3668, 24566), (3976, 22663), (4844, 18602), (7336, 12283), (9301, 9688)]