257393208

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{887}}^1$

素因数の和:1116

約数の個数: 64

約数和(自身を含む): 655983360

約数和(自身を除く): 398590152

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 113, 214, 226, 321, 339, 428, 452, 642, 678, 856, 887, 904, 1284, 1356, 1774, 2568, 2661, 2712, 3548, 5322, 7096, 10644, 12091, 21288, 24182, 36273, 48364, 72546, 94909, 96728, 100231, 145092, 189818, 200462, 284727, 290184, 300693, 379636, 400924, 569454, 601386, 759272, 801848, 1138908, 1202772, 2277816, 2405544, 10724717, 21449434, 32174151, 42898868, 64348302, 85797736, 128696604, 257393208]

約数ペア:

[(1, 257393208), (2, 128696604), (3, 85797736), (4, 64348302), (6, 42898868), (8, 32174151), (12, 21449434), (24, 10724717), (107, 2405544), (113, 2277816), (214, 1202772), (226, 1138908), (321, 801848), (339, 759272), (428, 601386), (452, 569454), (642, 400924), (678, 379636), (856, 300693), (887, 290184), (904, 284727), (1284, 200462), (1356, 189818), (1774, 145092), (2568, 100231), (2661, 96728), (2712, 94909), (3548, 72546), (5322, 48364), (7096, 36273), (10644, 24182), (12091, 21288)]