40416591

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 59443200

約数和(自身を除く): 19026609

約数列:

[1, 3, 19, 31, 57, 89, 93, 257, 267, 589, 771, 1691, 1767, 2759, 4883, 5073, 7967, 8277, 14649, 22873, 23901, 52421, 68619, 151373, 157263, 434587, 454119, 709063, 1303761, 2127189, 13472197, 40416591]

約数ペア:

[(1, 40416591), (3, 13472197), (19, 2127189), (31, 1303761), (57, 709063), (89, 454119), (93, 434587), (257, 157263), (267, 151373), (589, 68619), (771, 52421), (1691, 23901), (1767, 22873), (2759, 14649), (4883, 8277), (5073, 7967)]