128084590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{997}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 239280480

約数和(自身を除く): 111195890

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 443, 886, 997, 1994, 2215, 4430, 4985, 9970, 12847, 25694, 28913, 57826, 64235, 128470, 144565, 289130, 441671, 883342, 2208355, 4416710, 12808459, 25616918, 64042295, 128084590]

約数ペア:

[(1, 128084590), (2, 64042295), (5, 25616918), (10, 12808459), (29, 4416710), (58, 2208355), (145, 883342), (290, 441671), (443, 289130), (886, 144565), (997, 128470), (1994, 64235), (2215, 57826), (4430, 28913), (4985, 25694), (9970, 12847)]