67777990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18269}}^1$

素因数の和:18336

約数の個数: 32

約数和(自身を含む): 142067520

約数和(自身を除く): 74289530

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 106, 265, 371, 530, 742, 1855, 3710, 18269, 36538, 91345, 127883, 182690, 255766, 639415, 968257, 1278830, 1936514, 4841285, 6777799, 9682570, 13555598, 33888995, 67777990]

約数ペア:

[(1, 67777990), (2, 33888995), (5, 13555598), (7, 9682570), (10, 6777799), (14, 4841285), (35, 1936514), (53, 1278830), (70, 968257), (106, 639415), (265, 255766), (371, 182690), (530, 127883), (742, 91345), (1855, 36538), (3710, 18269)]