81436056

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261013}}^1$

素因数の和:261035

約数の個数: 32

約数和(自身を含む): 219251760

約数和(自身を除く): 137815704

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261013, 522026, 783039, 1044052, 1566078, 2088104, 3132156, 3393169, 6264312, 6786338, 10179507, 13572676, 20359014, 27145352, 40718028, 81436056]

約数ペア:

[(1, 81436056), (2, 40718028), (3, 27145352), (4, 20359014), (6, 13572676), (8, 10179507), (12, 6786338), (13, 6264312), (24, 3393169), (26, 3132156), (39, 2088104), (52, 1566078), (78, 1044052), (104, 783039), (156, 522026), (312, 261013)]