1331569288

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:411

約数の個数: 96

約数和(自身を含む): 2988532800

約数和(自身を除く): 1656963512

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 109, 124, 217, 218, 227, 248, 434, 436, 454, 763, 868, 872, 908, 961, 1526, 1589, 1736, 1816, 1922, 3052, 3178, 3379, 3844, 6104, 6356, 6727, 6758, 7037, 7688, 12712, 13454, 13516, 14074, 23653, 24743, 26908, 27032, 28148, 47306, 49259, 49486, 53816, 56296, 94612, 98518, 98972, 104749, 173201, 189224, 197036, 197944, 209498, 218147, 346402, 394072, 418996, 436294, 692804, 733243, 767033, 837992, 872588, 1385608, 1466486, 1527029, 1534066, 1745176, 2932972, 3054058, 3068132, 5369231, 5865944, 6108116, 6136264, 10738462, 12216232, 21476924, 23778023, 42953848, 47556046, 95112092, 166446161, 190224184, 332892322, 665784644, 1331569288]

約数ペア:

[(1, 1331569288), (2, 665784644), (4, 332892322), (7, 190224184), (8, 166446161), (14, 95112092), (28, 47556046), (31, 42953848), (56, 23778023), (62, 21476924), (109, 12216232), (124, 10738462), (217, 6136264), (218, 6108116), (227, 5865944), (248, 5369231), (434, 3068132), (436, 3054058), (454, 2932972), (763, 1745176), (868, 1534066), (872, 1527029), (908, 1466486), (961, 1385608), (1526, 872588), (1589, 837992), (1736, 767033), (1816, 733243), (1922, 692804), (3052, 436294), (3178, 418996), (3379, 394072), (3844, 346402), (6104, 218147), (6356, 209498), (6727, 197944), (6758, 197036), (7037, 189224), (7688, 173201), (12712, 104749), (13454, 98972), (13516, 98518), (14074, 94612), (23653, 56296), (24743, 53816), (26908, 49486), (27032, 49259), (28148, 47306)]