39917668

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23371}}^1$

素因数の和:23443

約数の個数: 24

約数和(自身を含む): 81147584

約数和(自身を除く): 41229916

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 23371, 46742, 93484, 163597, 327194, 654388, 1425631, 2851262, 5702524, 9979417, 19958834, 39917668]

約数ペア:

[(1, 39917668), (2, 19958834), (4, 9979417), (7, 5702524), (14, 2851262), (28, 1425631), (61, 654388), (122, 327194), (244, 163597), (427, 93484), (854, 46742), (1708, 23371)]