205227316

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{263}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 440415360

約数和(自身を除く): 235188044

約数列:

[1, 2, 4, 7, 14, 28, 29, 31, 58, 62, 116, 124, 203, 217, 263, 406, 434, 526, 812, 868, 899, 961, 1052, 1798, 1841, 1922, 3596, 3682, 3844, 6293, 6727, 7364, 7627, 8153, 12586, 13454, 15254, 16306, 25172, 26908, 27869, 30508, 32612, 53389, 55738, 57071, 106778, 111476, 114142, 195083, 213556, 228284, 236437, 252743, 390166, 472874, 505486, 780332, 945748, 1010972, 1655059, 1769201, 3310118, 3538402, 6620236, 7076804, 7329547, 14659094, 29318188, 51306829, 102613658, 205227316]

約数ペア:

[(1, 205227316), (2, 102613658), (4, 51306829), (7, 29318188), (14, 14659094), (28, 7329547), (29, 7076804), (31, 6620236), (58, 3538402), (62, 3310118), (116, 1769201), (124, 1655059), (203, 1010972), (217, 945748), (263, 780332), (406, 505486), (434, 472874), (526, 390166), (812, 252743), (868, 236437), (899, 228284), (961, 213556), (1052, 195083), (1798, 114142), (1841, 111476), (1922, 106778), (3596, 57071), (3682, 55738), (3844, 53389), (6293, 32612), (6727, 30508), (7364, 27869), (7627, 26908), (8153, 25172), (12586, 16306), (13454, 15254)]