199952376

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{640873}}^1$

素因数の和:640895

約数の個数: 32

約数和(自身を含む): 538334160

約数和(自身を除く): 338381784

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 640873, 1281746, 1922619, 2563492, 3845238, 5126984, 7690476, 8331349, 15380952, 16662698, 24994047, 33325396, 49988094, 66650792, 99976188, 199952376]

約数ペア:

[(1, 199952376), (2, 99976188), (3, 66650792), (4, 49988094), (6, 33325396), (8, 24994047), (12, 16662698), (13, 15380952), (24, 8331349), (26, 7690476), (39, 5126984), (52, 3845238), (78, 2563492), (104, 1922619), (156, 1281746), (312, 640873)]