681472

素因数分解:

$2^9\times {\mathrm{11}}^3$

素因数の和:51

約数の個数: 40

約数和(自身を含む): 1497672

約数和(自身を除く): 816200

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 121, 128, 176, 242, 256, 352, 484, 512, 704, 968, 1331, 1408, 1936, 2662, 2816, 3872, 5324, 5632, 7744, 10648, 15488, 21296, 30976, 42592, 61952, 85184, 170368, 340736, 681472]

約数ペア:

[(1, 681472), (2, 340736), (4, 170368), (8, 85184), (11, 61952), (16, 42592), (22, 30976), (32, 21296), (44, 15488), (64, 10648), (88, 7744), (121, 5632), (128, 5324), (176, 3872), (242, 2816), (256, 2662), (352, 1936), (484, 1408), (512, 1331), (704, 968)]