289656862

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{1997}}^1$

素因数の和:2376

約数の個数: 32

約数和(自身を含む): 500618880

約数和(自身を除く): 210962018

約数列:

[1, 2, 11, 19, 22, 38, 209, 347, 418, 694, 1997, 3817, 3994, 6593, 7634, 13186, 21967, 37943, 43934, 72523, 75886, 145046, 417373, 692959, 834746, 1385918, 7622549, 13166221, 15245098, 26332442, 144828431, 289656862]

約数ペア:

[(1, 289656862), (2, 144828431), (11, 26332442), (19, 15245098), (22, 13166221), (38, 7622549), (209, 1385918), (347, 834746), (418, 692959), (694, 417373), (1997, 145046), (3817, 75886), (3994, 72523), (6593, 43934), (7634, 37943), (13186, 21967)]