268749416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2689}}^1$

素因数の和:2770

約数の個数: 48

約数和(自身を含む): 560945700

約数和(自身を除く): 292196284

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 961, 1612, 1922, 2689, 3224, 3844, 5378, 7688, 10756, 12493, 21512, 24986, 34957, 49972, 69914, 83359, 99944, 139828, 166718, 279656, 333436, 666872, 1083667, 2167334, 2584129, 4334668, 5168258, 8669336, 10336516, 20673032, 33593677, 67187354, 134374708, 268749416]

約数ペア:

[(1, 268749416), (2, 134374708), (4, 67187354), (8, 33593677), (13, 20673032), (26, 10336516), (31, 8669336), (52, 5168258), (62, 4334668), (104, 2584129), (124, 2167334), (248, 1083667), (403, 666872), (806, 333436), (961, 279656), (1612, 166718), (1922, 139828), (2689, 99944), (3224, 83359), (3844, 69914), (5378, 49972), (7688, 34957), (10756, 24986), (12493, 21512)]