664277572

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{1381}}^1$

素因数の和:1852

約数の個数: 48

約数和(自身を含む): 1365194880

約数和(自身を除く): 700917308

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 419, 574, 838, 1148, 1381, 1676, 2762, 2933, 5524, 5866, 9667, 11732, 17179, 19334, 34358, 38668, 56621, 68716, 113242, 120253, 226484, 240506, 396347, 481012, 578639, 792694, 1157278, 1585388, 2314556, 4050473, 8100946, 16201892, 23724199, 47448398, 94896796, 166069393, 332138786, 664277572]

約数ペア:

[(1, 664277572), (2, 332138786), (4, 166069393), (7, 94896796), (14, 47448398), (28, 23724199), (41, 16201892), (82, 8100946), (164, 4050473), (287, 2314556), (419, 1585388), (574, 1157278), (838, 792694), (1148, 578639), (1381, 481012), (1676, 396347), (2762, 240506), (2933, 226484), (5524, 120253), (5866, 113242), (9667, 68716), (11732, 56621), (17179, 38668), (19334, 34358)]