209122956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{3229}}^1$

素因数の和:3503

約数の個数: 72

約数和(自身を含む): 606671520

約数和(自身を除く): 397548564

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 514, 771, 1028, 1542, 1799, 2313, 3084, 3229, 3598, 4626, 5397, 6458, 7196, 9252, 9687, 10794, 12916, 16191, 19374, 21588, 22603, 29061, 32382, 38748, 45206, 58122, 64764, 67809, 90412, 116244, 135618, 203427, 271236, 406854, 813708, 829853, 1659706, 2489559, 3319412, 4979118, 5808971, 7468677, 9958236, 11617942, 14937354, 17426913, 23235884, 29874708, 34853826, 52280739, 69707652, 104561478, 209122956]

約数ペア:

[(1, 209122956), (2, 104561478), (3, 69707652), (4, 52280739), (6, 34853826), (7, 29874708), (9, 23235884), (12, 17426913), (14, 14937354), (18, 11617942), (21, 9958236), (28, 7468677), (36, 5808971), (42, 4979118), (63, 3319412), (84, 2489559), (126, 1659706), (252, 829853), (257, 813708), (514, 406854), (771, 271236), (1028, 203427), (1542, 135618), (1799, 116244), (2313, 90412), (3084, 67809), (3229, 64764), (3598, 58122), (4626, 45206), (5397, 38748), (6458, 32382), (7196, 29061), (9252, 22603), (9687, 21588), (10794, 19374), (12916, 16191)]