254656568

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{4091}}^1$

素因数の和:4379

約数の個数: 32

約数和(自身を含む): 494968320

約数和(自身を除く): 240311752

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 251, 502, 1004, 2008, 4091, 7781, 8182, 15562, 16364, 31124, 32728, 62248, 126821, 253642, 507284, 1014568, 1026841, 2053682, 4107364, 8214728, 31832071, 63664142, 127328284, 254656568]

約数ペア:

[(1, 254656568), (2, 127328284), (4, 63664142), (8, 31832071), (31, 8214728), (62, 4107364), (124, 2053682), (248, 1026841), (251, 1014568), (502, 507284), (1004, 253642), (2008, 126821), (4091, 62248), (7781, 32728), (8182, 31124), (15562, 16364)]