68665784

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{21089}}^1$

素因数の和:21143

約数の個数: 32

約数和(自身を含む): 144255600

約数和(自身を除く): 75589816

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 21089, 42178, 84356, 168712, 231979, 463958, 780293, 927916, 1560586, 1855832, 3121172, 6242344, 8583223, 17166446, 34332892, 68665784]

約数ペア:

[(1, 68665784), (2, 34332892), (4, 17166446), (8, 8583223), (11, 6242344), (22, 3121172), (37, 1855832), (44, 1560586), (74, 927916), (88, 780293), (148, 463958), (296, 231979), (407, 168712), (814, 84356), (1628, 42178), (3256, 21089)]