56861686

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 100077120

約数和(自身を除く): 43215434

約数列:

[1, 2, 7, 14, 53, 106, 197, 371, 389, 394, 742, 778, 1379, 2723, 2758, 5446, 10441, 20617, 20882, 41234, 73087, 76633, 144319, 146174, 153266, 288638, 536431, 1072862, 4061549, 8123098, 28430843, 56861686]

約数ペア:

[(1, 56861686), (2, 28430843), (7, 8123098), (14, 4061549), (53, 1072862), (106, 536431), (197, 288638), (371, 153266), (389, 146174), (394, 144319), (742, 76633), (778, 73087), (1379, 41234), (2723, 20882), (2758, 20617), (5446, 10441)]