256548392

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{137}}^1\times {\mathrm{2963}}^1$

素因数の和:3185

約数の個数: 32

約数和(自身を含む): 490838400

約数和(自身を除く): 234290008

約数列:

[1, 2, 4, 8, 79, 137, 158, 274, 316, 548, 632, 1096, 2963, 5926, 10823, 11852, 21646, 23704, 43292, 86584, 234077, 405931, 468154, 811862, 936308, 1623724, 1872616, 3247448, 32068549, 64137098, 128274196, 256548392]

約数ペア:

[(1, 256548392), (2, 128274196), (4, 64137098), (8, 32068549), (79, 3247448), (137, 1872616), (158, 1623724), (274, 936308), (316, 811862), (548, 468154), (632, 405931), (1096, 234077), (2963, 86584), (5926, 43292), (10823, 23704), (11852, 21646)]