129971816

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{251}}^1\times {\mathrm{383}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 265628160

約数和(自身を除く): 135656344

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 251, 338, 383, 502, 676, 766, 1004, 1352, 1532, 2008, 3064, 3263, 4979, 6526, 9958, 13052, 19916, 26104, 39832, 42419, 64727, 84838, 96133, 129454, 169676, 192266, 258908, 339352, 384532, 517816, 769064, 1249729, 2499458, 4998916, 9997832, 16246477, 32492954, 64985908, 129971816]

約数ペア:

[(1, 129971816), (2, 64985908), (4, 32492954), (8, 16246477), (13, 9997832), (26, 4998916), (52, 2499458), (104, 1249729), (169, 769064), (251, 517816), (338, 384532), (383, 339352), (502, 258908), (676, 192266), (766, 169676), (1004, 129454), (1352, 96133), (1532, 84838), (2008, 64727), (3064, 42419), (3263, 39832), (4979, 26104), (6526, 19916), (9958, 13052)]