661953786

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{499211}}^1$

素因数の和:499246

約数の個数: 32

約数和(自身を含む): 1509617088

約数和(自身を除く): 847663302

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 499211, 998422, 1497633, 2995266, 6489743, 8486587, 12979486, 16973174, 19469229, 25459761, 38938458, 50919522, 110325631, 220651262, 330976893, 661953786]

約数ペア:

[(1, 661953786), (2, 330976893), (3, 220651262), (6, 110325631), (13, 50919522), (17, 38938458), (26, 25459761), (34, 19469229), (39, 16973174), (51, 12979486), (78, 8486587), (102, 6489743), (221, 2995266), (442, 1497633), (663, 998422), (1326, 499211)]