1287938986

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1654

約数の個数: 32

約数和(自身を含む): 2018016000

約数和(自身を除く): 730077014

約数列:

[1, 2, 41, 82, 103, 109, 206, 218, 1399, 2798, 4223, 4469, 8446, 8938, 11227, 22454, 57359, 114718, 144097, 152491, 288194, 304982, 460307, 920614, 5907977, 6252131, 11815954, 12504262, 15706573, 31413146, 643969493, 1287938986]

約数ペア:

[(1, 1287938986), (2, 643969493), (41, 31413146), (82, 15706573), (103, 12504262), (109, 11815954), (206, 6252131), (218, 5907977), (1399, 920614), (2798, 460307), (4223, 304982), (4469, 288194), (8446, 152491), (8938, 144097), (11227, 114718), (22454, 57359)]