212861948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{571}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 411675264

約数和(自身を除く): 198813316

約数列:

[1, 2, 4, 13, 26, 52, 67, 107, 134, 214, 268, 428, 571, 871, 1142, 1391, 1742, 2284, 2782, 3484, 5564, 7169, 7423, 14338, 14846, 28676, 29692, 38257, 61097, 76514, 93197, 122194, 153028, 186394, 244388, 372788, 497341, 794261, 994682, 1588522, 1989364, 3177044, 4093499, 8186998, 16373996, 53215487, 106430974, 212861948]

約数ペア:

[(1, 212861948), (2, 106430974), (4, 53215487), (13, 16373996), (26, 8186998), (52, 4093499), (67, 3177044), (107, 1989364), (134, 1588522), (214, 994682), (268, 794261), (428, 497341), (571, 372788), (871, 244388), (1142, 186394), (1391, 153028), (1742, 122194), (2284, 93197), (2782, 76514), (3484, 61097), (5564, 38257), (7169, 29692), (7423, 28676), (14338, 14846)]