28103478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 60732672

約数和(自身を除く): 32629194

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 571, 631, 1142, 1262, 1713, 1893, 3426, 3786, 7423, 8203, 14846, 16406, 22269, 24609, 44538, 49218, 360301, 720602, 1080903, 2161806, 4683913, 9367826, 14051739, 28103478]

約数ペア:

[(1, 28103478), (2, 14051739), (3, 9367826), (6, 4683913), (13, 2161806), (26, 1080903), (39, 720602), (78, 360301), (571, 49218), (631, 44538), (1142, 24609), (1262, 22269), (1713, 16406), (1893, 14846), (3426, 8203), (3786, 7423)]