318769516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1709}}^1$

素因数の和:1954

約数の個数: 48

約数和(自身を含む): 639485280

約数和(自身を除く): 320715764

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 211, 221, 422, 442, 844, 884, 1709, 2743, 3418, 3587, 5486, 6836, 7174, 10972, 14348, 22217, 29053, 44434, 46631, 58106, 88868, 93262, 116212, 186524, 360599, 377689, 721198, 755378, 1442396, 1510756, 4687787, 6130183, 9375574, 12260366, 18751148, 24520732, 79692379, 159384758, 318769516]

約数ペア:

[(1, 318769516), (2, 159384758), (4, 79692379), (13, 24520732), (17, 18751148), (26, 12260366), (34, 9375574), (52, 6130183), (68, 4687787), (211, 1510756), (221, 1442396), (422, 755378), (442, 721198), (844, 377689), (884, 360599), (1709, 186524), (2743, 116212), (3418, 93262), (3587, 88868), (5486, 58106), (6836, 46631), (7174, 44434), (10972, 29053), (14348, 22217)]