131610128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20411}}^1$

素因数の和:20463

約数の個数: 40

約数和(自身を含む): 283481856

約数和(自身を除く): 151871728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 20411, 40822, 81644, 163288, 265343, 326576, 530686, 632741, 1061372, 1265482, 2122744, 2530964, 4245488, 5061928, 8225633, 10123856, 16451266, 32902532, 65805064, 131610128]

約数ペア:

[(1, 131610128), (2, 65805064), (4, 32902532), (8, 16451266), (13, 10123856), (16, 8225633), (26, 5061928), (31, 4245488), (52, 2530964), (62, 2122744), (104, 1265482), (124, 1061372), (208, 632741), (248, 530686), (403, 326576), (496, 265343), (806, 163288), (1612, 81644), (3224, 40822), (6448, 20411)]