655122364

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{619}}^1\times {\mathrm{20353}}^1$

素因数の和:20989

約数の個数: 24

約数和(自身を含む): 1236709040

約数和(自身を除く): 581586676

約数列:

[1, 2, 4, 13, 26, 52, 619, 1238, 2476, 8047, 16094, 20353, 32188, 40706, 81412, 264589, 529178, 1058356, 12598507, 25197014, 50394028, 163780591, 327561182, 655122364]

約数ペア:

[(1, 655122364), (2, 327561182), (4, 163780591), (13, 50394028), (26, 25197014), (52, 12598507), (619, 1058356), (1238, 529178), (2476, 264589), (8047, 81412), (16094, 40706), (20353, 32188)]