128381584

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{2089}}^1$

素因数の和:2287

約数の個数: 40

約数和(自身を含む): 261233280

約数和(自身を除く): 132851696

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 167, 184, 334, 368, 668, 1336, 2089, 2672, 3841, 4178, 7682, 8356, 15364, 16712, 30728, 33424, 48047, 61456, 96094, 192188, 348863, 384376, 697726, 768752, 1395452, 2790904, 5581808, 8023849, 16047698, 32095396, 64190792, 128381584]

約数ペア:

[(1, 128381584), (2, 64190792), (4, 32095396), (8, 16047698), (16, 8023849), (23, 5581808), (46, 2790904), (92, 1395452), (167, 768752), (184, 697726), (334, 384376), (368, 348863), (668, 192188), (1336, 96094), (2089, 61456), (2672, 48047), (3841, 33424), (4178, 30728), (7682, 16712), (8356, 15364)]