12713540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12973}}^1$

素因数の和:12996

約数の個数: 36

約数和(自身を含む): 31059756

約数和(自身を除く): 18346216

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12973, 25946, 51892, 64865, 90811, 129730, 181622, 259460, 363244, 454055, 635677, 908110, 1271354, 1816220, 2542708, 3178385, 6356770, 12713540]

約数ペア:

[(1, 12713540), (2, 6356770), (4, 3178385), (5, 2542708), (7, 1816220), (10, 1271354), (14, 908110), (20, 635677), (28, 454055), (35, 363244), (49, 259460), (70, 181622), (98, 129730), (140, 90811), (196, 64865), (245, 51892), (490, 25946), (980, 12973)]