61587890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67679}}^1$

素因数の和:67706

約数の個数: 32

約数和(自身を含む): 136442880

約数和(自身を除く): 74854990

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 67679, 135358, 338395, 473753, 676790, 879827, 947506, 1759654, 2368765, 4399135, 4737530, 6158789, 8798270, 12317578, 30793945, 61587890]

約数ペア:

[(1, 61587890), (2, 30793945), (5, 12317578), (7, 8798270), (10, 6158789), (13, 4737530), (14, 4399135), (26, 2368765), (35, 1759654), (65, 947506), (70, 879827), (91, 676790), (130, 473753), (182, 338395), (455, 135358), (910, 67679)]