28506608

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4473

約数の個数: 40

約数和(自身を含む): 61412736

約数和(自身を除く): 32906128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 4421, 6448, 8842, 17684, 35368, 57473, 70736, 114946, 137051, 229892, 274102, 459784, 548204, 919568, 1096408, 1781663, 2192816, 3563326, 7126652, 14253304, 28506608]

約数ペア:

[(1, 28506608), (2, 14253304), (4, 7126652), (8, 3563326), (13, 2192816), (16, 1781663), (26, 1096408), (31, 919568), (52, 548204), (62, 459784), (104, 274102), (124, 229892), (208, 137051), (248, 114946), (403, 70736), (496, 57473), (806, 35368), (1612, 17684), (3224, 8842), (4421, 6448)]