206880778004

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{3433}}^1$

素因数の和:3817

約数の個数: 72

約数和(自身を含む): 381820265064

約数和(自身を除く): 174939487060

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 257, 514, 961, 1028, 1891, 1922, 3433, 3782, 3844, 6866, 7564, 7967, 13732, 15677, 15934, 31354, 31868, 58621, 62708, 106423, 117242, 209413, 212846, 234484, 246977, 418826, 425692, 485987, 493954, 837652, 882281, 971974, 987908, 1764562, 1943948, 3299113, 3529124, 6491803, 6598226, 12983606, 13196452, 15065597, 25967212, 27350711, 30131194, 53819141, 54701422, 60262388, 107638282, 109402844, 201245893, 215276564, 402491786, 804983572, 847872041, 1668393371, 1695744082, 3336786742, 3391488164, 6673573484, 51720194501, 103440389002, 206880778004]

約数ペア:

[(1, 206880778004), (2, 103440389002), (4, 51720194501), (31, 6673573484), (61, 3391488164), (62, 3336786742), (122, 1695744082), (124, 1668393371), (244, 847872041), (257, 804983572), (514, 402491786), (961, 215276564), (1028, 201245893), (1891, 109402844), (1922, 107638282), (3433, 60262388), (3782, 54701422), (3844, 53819141), (6866, 30131194), (7564, 27350711), (7967, 25967212), (13732, 15065597), (15677, 13196452), (15934, 12983606), (31354, 6598226), (31868, 6491803), (58621, 3529124), (62708, 3299113), (106423, 1943948), (117242, 1764562), (209413, 987908), (212846, 971974), (234484, 882281), (246977, 837652), (418826, 493954), (425692, 485987)]