81081084

素因数分解:

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

素因数の和:19727

約数の個数: 48

約数和(自身を含む): 220640000

約数和(自身を除く): 139558916

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 686, 1029, 1372, 2058, 4116, 19699, 39398, 59097, 78796, 118194, 137893, 236388, 275786, 413679, 551572, 827358, 965251, 1654716, 1930502, 2895753, 3861004, 5791506, 6756757, 11583012, 13513514, 20270271, 27027028, 40540542, 81081084]

約数ペア:

[(1, 81081084), (2, 40540542), (3, 27027028), (4, 20270271), (6, 13513514), (7, 11583012), (12, 6756757), (14, 5791506), (21, 3861004), (28, 2895753), (42, 1930502), (49, 1654716), (84, 965251), (98, 827358), (147, 551572), (196, 413679), (294, 275786), (343, 236388), (588, 137893), (686, 118194), (1029, 78796), (1372, 59097), (2058, 39398), (4116, 19699)]