128429390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{17569}}^1$

素因数の和:17636

約数の個数: 32

約数和(自身を含む): 250477920

約数和(自身を除く): 122048530

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 17569, 35138, 87845, 175690, 298673, 597346, 755467, 1493365, 1510934, 2986730, 3777335, 7554670, 12842939, 25685878, 64214695, 128429390]

約数ペア:

[(1, 128429390), (2, 64214695), (5, 25685878), (10, 12842939), (17, 7554670), (34, 3777335), (43, 2986730), (85, 1510934), (86, 1493365), (170, 755467), (215, 597346), (430, 298673), (731, 175690), (1462, 87845), (3655, 35138), (7310, 17569)]