2689908

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:464

約数の個数: 48

約数和(自身を含む): 6933696

約数和(自身を除く): 4243788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 401, 516, 559, 802, 1118, 1203, 1604, 1677, 2236, 2406, 3354, 4812, 5213, 6708, 10426, 15639, 17243, 20852, 31278, 34486, 51729, 62556, 68972, 103458, 206916, 224159, 448318, 672477, 896636, 1344954, 2689908]

約数ペア:

[(1, 2689908), (2, 1344954), (3, 896636), (4, 672477), (6, 448318), (12, 224159), (13, 206916), (26, 103458), (39, 68972), (43, 62556), (52, 51729), (78, 34486), (86, 31278), (129, 20852), (156, 17243), (172, 15639), (258, 10426), (401, 6708), (516, 5213), (559, 4812), (802, 3354), (1118, 2406), (1203, 2236), (1604, 1677)]