7820988

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 21756672

約数和(自身を除く): 13935684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 49, 84, 94, 98, 141, 147, 188, 196, 282, 283, 294, 329, 564, 566, 588, 658, 849, 987, 1132, 1316, 1698, 1974, 1981, 2303, 3396, 3948, 3962, 4606, 5943, 6909, 7924, 9212, 11886, 13301, 13818, 13867, 23772, 26602, 27636, 27734, 39903, 41601, 53204, 55468, 79806, 83202, 93107, 159612, 166404, 186214, 279321, 372428, 558642, 651749, 1117284, 1303498, 1955247, 2606996, 3910494, 7820988]

約数ペア:

[(1, 7820988), (2, 3910494), (3, 2606996), (4, 1955247), (6, 1303498), (7, 1117284), (12, 651749), (14, 558642), (21, 372428), (28, 279321), (42, 186214), (47, 166404), (49, 159612), (84, 93107), (94, 83202), (98, 79806), (141, 55468), (147, 53204), (188, 41601), (196, 39903), (282, 27734), (283, 27636), (294, 26602), (329, 23772), (564, 13867), (566, 13818), (588, 13301), (658, 11886), (849, 9212), (987, 7924), (1132, 6909), (1316, 5943), (1698, 4606), (1974, 3962), (1981, 3948), (2303, 3396)]