256947864

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{150791}}^1$

素因数の和:150871

約数の個数: 32

約数和(自身を含む): 651421440

約数和(自身を除く): 394473576

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 150791, 301582, 452373, 603164, 904746, 1206328, 1809492, 3618984, 10706161, 21412322, 32118483, 42824644, 64236966, 85649288, 128473932, 256947864]

約数ペア:

[(1, 256947864), (2, 128473932), (3, 85649288), (4, 64236966), (6, 42824644), (8, 32118483), (12, 21412322), (24, 10706161), (71, 3618984), (142, 1809492), (213, 1206328), (284, 904746), (426, 603164), (568, 452373), (852, 301582), (1704, 150791)]