12811190

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{461}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 26478144

約数和(自身を除く): 13666954

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 397, 461, 794, 922, 1985, 2305, 2779, 3227, 3970, 4610, 5558, 6454, 13895, 16135, 27790, 32270, 183017, 366034, 915085, 1281119, 1830170, 2562238, 6405595, 12811190]

約数ペア:

[(1, 12811190), (2, 6405595), (5, 2562238), (7, 1830170), (10, 1281119), (14, 915085), (35, 366034), (70, 183017), (397, 32270), (461, 27790), (794, 16135), (922, 13895), (1985, 6454), (2305, 5558), (2779, 4610), (3227, 3970)]