668636528

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{5021}}^1$

素因数の和:5106

約数の個数: 80

約数和(自身を含む): 1569274560

約数和(自身を除く): 900638032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 41, 56, 58, 82, 112, 116, 164, 203, 232, 287, 328, 406, 464, 574, 656, 812, 1148, 1189, 1624, 2296, 2378, 3248, 4592, 4756, 5021, 8323, 9512, 10042, 16646, 19024, 20084, 33292, 35147, 40168, 66584, 70294, 80336, 133168, 140588, 145609, 205861, 281176, 291218, 411722, 562352, 582436, 823444, 1019263, 1164872, 1441027, 1646888, 2038526, 2329744, 2882054, 3293776, 4077052, 5764108, 5969969, 8154104, 11528216, 11939938, 16308208, 23056432, 23879876, 41789783, 47759752, 83579566, 95519504, 167159132, 334318264, 668636528]

約数ペア:

[(1, 668636528), (2, 334318264), (4, 167159132), (7, 95519504), (8, 83579566), (14, 47759752), (16, 41789783), (28, 23879876), (29, 23056432), (41, 16308208), (56, 11939938), (58, 11528216), (82, 8154104), (112, 5969969), (116, 5764108), (164, 4077052), (203, 3293776), (232, 2882054), (287, 2329744), (328, 2038526), (406, 1646888), (464, 1441027), (574, 1164872), (656, 1019263), (812, 823444), (1148, 582436), (1189, 562352), (1624, 411722), (2296, 291218), (2378, 281176), (3248, 205861), (4592, 145609), (4756, 140588), (5021, 133168), (8323, 80336), (9512, 70294), (10042, 66584), (16646, 40168), (19024, 35147), (20084, 33292)]