81123432

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260011}}^1$

素因数の和:260033

約数の個数: 32

約数和(自身を含む): 218410080

約数和(自身を除く): 137286648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260011, 520022, 780033, 1040044, 1560066, 2080088, 3120132, 3380143, 6240264, 6760286, 10140429, 13520572, 20280858, 27041144, 40561716, 81123432]

約数ペア:

[(1, 81123432), (2, 40561716), (3, 27041144), (4, 20280858), (6, 13520572), (8, 10140429), (12, 6760286), (13, 6240264), (24, 3380143), (26, 3120132), (39, 2080088), (52, 1560066), (78, 1040044), (104, 780033), (156, 520022), (312, 260011)]