16871556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^2\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 44123520

約数和(自身を除く): 27251964

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 79, 111, 148, 156, 158, 222, 237, 316, 444, 474, 481, 948, 962, 1027, 1369, 1443, 1924, 2054, 2738, 2886, 2923, 3081, 4107, 4108, 5476, 5772, 5846, 6162, 8214, 8769, 11692, 12324, 16428, 17538, 17797, 35076, 35594, 37999, 53391, 71188, 75998, 106782, 108151, 113997, 151996, 213564, 216302, 227994, 324453, 432604, 455988, 648906, 1297812, 1405963, 2811926, 4217889, 5623852, 8435778, 16871556]

約数ペア:

[(1, 16871556), (2, 8435778), (3, 5623852), (4, 4217889), (6, 2811926), (12, 1405963), (13, 1297812), (26, 648906), (37, 455988), (39, 432604), (52, 324453), (74, 227994), (78, 216302), (79, 213564), (111, 151996), (148, 113997), (156, 108151), (158, 106782), (222, 75998), (237, 71188), (316, 53391), (444, 37999), (474, 35594), (481, 35076), (948, 17797), (962, 17538), (1027, 16428), (1369, 12324), (1443, 11692), (1924, 8769), (2054, 8214), (2738, 6162), (2886, 5846), (2923, 5772), (3081, 5476), (4107, 4108)]