1640802748

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{7333}}^1$

素因数の和:7694

約数の個数: 36

約数和(自身を含む): 3119091528

約数和(自身を除く): 1478288780

約数列:

[1, 2, 4, 13, 26, 52, 169, 331, 338, 662, 676, 1324, 4303, 7333, 8606, 14666, 17212, 29332, 55939, 95329, 111878, 190658, 223756, 381316, 1239277, 2427223, 2478554, 4854446, 4957108, 9708892, 31553899, 63107798, 126215596, 410200687, 820401374, 1640802748]

約数ペア:

[(1, 1640802748), (2, 820401374), (4, 410200687), (13, 126215596), (26, 63107798), (52, 31553899), (169, 9708892), (331, 4957108), (338, 4854446), (662, 2478554), (676, 2427223), (1324, 1239277), (4303, 381316), (7333, 223756), (8606, 190658), (14666, 111878), (17212, 95329), (29332, 55939)]