40540542

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{19699}}^1$

素因数の和:19725

約数の個数: 32

約数和(自身を含む): 94560000

約数和(自身を除く): 54019458

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 343, 686, 1029, 2058, 19699, 39398, 59097, 118194, 137893, 275786, 413679, 827358, 965251, 1930502, 2895753, 5791506, 6756757, 13513514, 20270271, 40540542]

約数ペア:

[(1, 40540542), (2, 20270271), (3, 13513514), (6, 6756757), (7, 5791506), (14, 2895753), (21, 1930502), (42, 965251), (49, 827358), (98, 413679), (147, 275786), (294, 137893), (343, 118194), (686, 59097), (1029, 39398), (2058, 19699)]