208986128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{32411}}^1$

素因数の和:32463

約数の個数: 40

約数和(自身を含む): 450137856

約数和(自身を除く): 241151728

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 32411, 64822, 129644, 259288, 421343, 518576, 842686, 1004741, 1685372, 2009482, 3370744, 4018964, 6741488, 8037928, 13061633, 16075856, 26123266, 52246532, 104493064, 208986128]

約数ペア:

[(1, 208986128), (2, 104493064), (4, 52246532), (8, 26123266), (13, 16075856), (16, 13061633), (26, 8037928), (31, 6741488), (52, 4018964), (62, 3370744), (104, 2009482), (124, 1685372), (208, 1004741), (248, 842686), (403, 518576), (496, 421343), (806, 259288), (1612, 129644), (3224, 64822), (6448, 32411)]