263782910

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{3301}}^1$

素因数の和:3500

約数の個数: 32

約数和(自身を含む): 486424224

約数和(自身を除く): 222641314

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 655, 1310, 3301, 6602, 7991, 15982, 16505, 33010, 39955, 79910, 201361, 402722, 432431, 864862, 1006805, 2013610, 2162155, 4324310, 26378291, 52756582, 131891455, 263782910]

約数ペア:

[(1, 263782910), (2, 131891455), (5, 52756582), (10, 26378291), (61, 4324310), (122, 2162155), (131, 2013610), (262, 1006805), (305, 864862), (610, 432431), (655, 402722), (1310, 201361), (3301, 79910), (6602, 39955), (7991, 33010), (15982, 16505)]