128520476

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{270001}}^1$

素因数の和:270029

約数の個数: 24

約数和(自身を含む): 272162016

約数和(自身を除く): 143641540

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 270001, 540002, 1080004, 1890007, 3780014, 4590017, 7560028, 9180034, 18360068, 32130119, 64260238, 128520476]

約数ペア:

[(1, 128520476), (2, 64260238), (4, 32130119), (7, 18360068), (14, 9180034), (17, 7560028), (28, 4590017), (34, 3780014), (68, 1890007), (119, 1080004), (238, 540002), (476, 270001)]