28951812

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:369

約数の個数: 72

約数和(自身を含む): 76108032

約数和(自身を除く): 47156220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 71, 94, 141, 142, 188, 213, 241, 282, 284, 423, 426, 482, 564, 639, 723, 846, 852, 964, 1278, 1446, 1692, 2169, 2556, 2892, 3337, 4338, 6674, 8676, 10011, 11327, 13348, 17111, 20022, 22654, 30033, 33981, 34222, 40044, 45308, 51333, 60066, 67962, 68444, 101943, 102666, 120132, 135924, 153999, 203886, 205332, 307998, 407772, 615996, 804217, 1608434, 2412651, 3216868, 4825302, 7237953, 9650604, 14475906, 28951812]

約数ペア:

[(1, 28951812), (2, 14475906), (3, 9650604), (4, 7237953), (6, 4825302), (9, 3216868), (12, 2412651), (18, 1608434), (36, 804217), (47, 615996), (71, 407772), (94, 307998), (141, 205332), (142, 203886), (188, 153999), (213, 135924), (241, 120132), (282, 102666), (284, 101943), (423, 68444), (426, 67962), (482, 60066), (564, 51333), (639, 45308), (723, 40044), (846, 34222), (852, 33981), (964, 30033), (1278, 22654), (1446, 20022), (1692, 17111), (2169, 13348), (2556, 11327), (2892, 10011), (3337, 8676), (4338, 6674)]