81415672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25253}}^1$

素因数の和:25303

約数の個数: 32

約数和(自身を含む): 169706880

約数和(自身を除く): 88291208

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 25253, 50506, 101012, 202024, 328289, 656578, 782843, 1313156, 1565686, 2626312, 3131372, 6262744, 10176959, 20353918, 40707836, 81415672]

約数ペア:

[(1, 81415672), (2, 40707836), (4, 20353918), (8, 10176959), (13, 6262744), (26, 3131372), (31, 2626312), (52, 1565686), (62, 1313156), (104, 782843), (124, 656578), (248, 328289), (403, 202024), (806, 101012), (1612, 50506), (3224, 25253)]