215509566

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{971}}^1$

素因数の和:1568

約数の個数: 32

約数和(自身を含む): 438379776

約数和(自身を除く): 222870210

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 521, 971, 1042, 1563, 1942, 2913, 3126, 5826, 36991, 68941, 73982, 110973, 137882, 206823, 221946, 413646, 505891, 1011782, 1517673, 3035346, 35918261, 71836522, 107754783, 215509566]

約数ペア:

[(1, 215509566), (2, 107754783), (3, 71836522), (6, 35918261), (71, 3035346), (142, 1517673), (213, 1011782), (426, 505891), (521, 413646), (971, 221946), (1042, 206823), (1563, 137882), (1942, 110973), (2913, 73982), (3126, 68941), (5826, 36991)]