640267068

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{85643}}^1$

素因数の和:85746

約数の個数: 48

約数和(自身を含む): 1726583040

約数和(自身を除く): 1086315972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 89, 178, 267, 356, 534, 623, 1068, 1246, 1869, 2492, 3738, 7476, 85643, 171286, 256929, 342572, 513858, 599501, 1027716, 1199002, 1798503, 2398004, 3597006, 7194012, 7622227, 15244454, 22866681, 30488908, 45733362, 53355589, 91466724, 106711178, 160066767, 213422356, 320133534, 640267068]

約数ペア:

[(1, 640267068), (2, 320133534), (3, 213422356), (4, 160066767), (6, 106711178), (7, 91466724), (12, 53355589), (14, 45733362), (21, 30488908), (28, 22866681), (42, 15244454), (84, 7622227), (89, 7194012), (178, 3597006), (267, 2398004), (356, 1798503), (534, 1199002), (623, 1027716), (1068, 599501), (1246, 513858), (1869, 342572), (2492, 256929), (3738, 171286), (7476, 85643)]