205718812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{2053}}^1$

素因数の和:2158

約数の個数: 48

約数和(自身を含む): 405804672

約数和(自身を除く): 200085860

約数列:

[1, 2, 4, 13, 26, 41, 47, 52, 82, 94, 164, 188, 533, 611, 1066, 1222, 1927, 2053, 2132, 2444, 3854, 4106, 7708, 8212, 25051, 26689, 50102, 53378, 84173, 96491, 100204, 106756, 168346, 192982, 336692, 385964, 1094249, 1254383, 2188498, 2508766, 3956131, 4376996, 5017532, 7912262, 15824524, 51429703, 102859406, 205718812]

約数ペア:

[(1, 205718812), (2, 102859406), (4, 51429703), (13, 15824524), (26, 7912262), (41, 5017532), (47, 4376996), (52, 3956131), (82, 2508766), (94, 2188498), (164, 1254383), (188, 1094249), (533, 385964), (611, 336692), (1066, 192982), (1222, 168346), (1927, 106756), (2053, 100204), (2132, 96491), (2444, 84173), (3854, 53378), (4106, 50102), (7708, 26689), (8212, 25051)]