2881998

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 7244640

約数和(自身を除く): 4362642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 89, 126, 178, 257, 267, 514, 534, 623, 771, 801, 1246, 1542, 1602, 1799, 1869, 2313, 3598, 3738, 4626, 5397, 5607, 10794, 11214, 16191, 22873, 32382, 45746, 68619, 137238, 160111, 205857, 320222, 411714, 480333, 960666, 1440999, 2881998]

約数ペア:

[(1, 2881998), (2, 1440999), (3, 960666), (6, 480333), (7, 411714), (9, 320222), (14, 205857), (18, 160111), (21, 137238), (42, 68619), (63, 45746), (89, 32382), (126, 22873), (178, 16191), (257, 11214), (267, 10794), (514, 5607), (534, 5397), (623, 4626), (771, 3738), (801, 3598), (1246, 2313), (1542, 1869), (1602, 1799)]