256162568

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:422

約数の個数: 64

約数和(自身を含む): 514382400

約数和(自身を除く): 258219832

約数列:

[1, 2, 4, 8, 29, 53, 58, 83, 106, 116, 166, 212, 232, 251, 332, 424, 502, 664, 1004, 1537, 2008, 2407, 3074, 4399, 4814, 6148, 7279, 8798, 9628, 12296, 13303, 14558, 17596, 19256, 20833, 26606, 29116, 35192, 41666, 53212, 58232, 83332, 106424, 127571, 166664, 255142, 385787, 510284, 604157, 771574, 1020568, 1104149, 1208314, 1543148, 2208298, 2416628, 3086296, 4416596, 4833256, 8833192, 32020321, 64040642, 128081284, 256162568]

約数ペア:

[(1, 256162568), (2, 128081284), (4, 64040642), (8, 32020321), (29, 8833192), (53, 4833256), (58, 4416596), (83, 3086296), (106, 2416628), (116, 2208298), (166, 1543148), (212, 1208314), (232, 1104149), (251, 1020568), (332, 771574), (424, 604157), (502, 510284), (664, 385787), (1004, 255142), (1537, 166664), (2008, 127571), (2407, 106424), (3074, 83332), (4399, 58232), (4814, 53212), (6148, 41666), (7279, 35192), (8798, 29116), (9628, 26606), (12296, 20833), (13303, 19256), (14558, 17596)]