649891684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{1709}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 1254839040

約数和(自身を除く): 604947356

約数列:

[1, 2, 4, 13, 26, 52, 71, 103, 142, 206, 284, 412, 923, 1339, 1709, 1846, 2678, 3418, 3692, 5356, 6836, 7313, 14626, 22217, 29252, 44434, 88868, 95069, 121339, 176027, 190138, 242678, 352054, 380276, 485356, 704108, 1577407, 2288351, 3154814, 4576702, 6309628, 9153404, 12497917, 24995834, 49991668, 162472921, 324945842, 649891684]

約数ペア:

[(1, 649891684), (2, 324945842), (4, 162472921), (13, 49991668), (26, 24995834), (52, 12497917), (71, 9153404), (103, 6309628), (142, 4576702), (206, 3154814), (284, 2288351), (412, 1577407), (923, 704108), (1339, 485356), (1709, 380276), (1846, 352054), (2678, 242678), (3418, 190138), (3692, 176027), (5356, 121339), (6836, 95069), (7313, 88868), (14626, 44434), (22217, 29252)]