1277153964

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{499669}}^1$

素因数の和:499750

約数の個数: 36

約数和(自身を含む): 3273837840

約数和(自身を除く): 1996683876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 499669, 999338, 1499007, 1998676, 2998014, 4497021, 5996028, 8994042, 17988084, 35476499, 70952998, 106429497, 141905996, 212858994, 319288491, 425717988, 638576982, 1277153964]

約数ペア:

[(1, 1277153964), (2, 638576982), (3, 425717988), (4, 319288491), (6, 212858994), (9, 141905996), (12, 106429497), (18, 70952998), (36, 35476499), (71, 17988084), (142, 8994042), (213, 5996028), (284, 4497021), (426, 2998014), (639, 1998676), (852, 1499007), (1278, 999338), (2556, 499669)]