66874984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 128

約数和(自身を含む): 157593600

約数和(自身を除く): 90718616

約数列:

[1, 2, 4, 8, 11, 19, 22, 23, 37, 38, 44, 46, 47, 74, 76, 88, 92, 94, 148, 152, 184, 188, 209, 253, 296, 376, 407, 418, 437, 506, 517, 703, 814, 836, 851, 874, 893, 1012, 1034, 1081, 1406, 1628, 1672, 1702, 1739, 1748, 1786, 2024, 2068, 2162, 2812, 3256, 3404, 3478, 3496, 3572, 4136, 4324, 4807, 5624, 6808, 6956, 7144, 7733, 8648, 9361, 9614, 9823, 11891, 13912, 15466, 16169, 18722, 19129, 19228, 19646, 20539, 23782, 30932, 32338, 33041, 37444, 38258, 38456, 39292, 39997, 41078, 47564, 61864, 64676, 66082, 74888, 76516, 78584, 79994, 82156, 95128, 129352, 132164, 153032, 159988, 164312, 177859, 225929, 264328, 319976, 355718, 363451, 439967, 451858, 711436, 726902, 759943, 879934, 903716, 1422872, 1453804, 1519886, 1759868, 1807432, 2907608, 3039772, 3519736, 6079544, 8359373, 16718746, 33437492, 66874984]

約数ペア:

[(1, 66874984), (2, 33437492), (4, 16718746), (8, 8359373), (11, 6079544), (19, 3519736), (22, 3039772), (23, 2907608), (37, 1807432), (38, 1759868), (44, 1519886), (46, 1453804), (47, 1422872), (74, 903716), (76, 879934), (88, 759943), (92, 726902), (94, 711436), (148, 451858), (152, 439967), (184, 363451), (188, 355718), (209, 319976), (253, 264328), (296, 225929), (376, 177859), (407, 164312), (418, 159988), (437, 153032), (506, 132164), (517, 129352), (703, 95128), (814, 82156), (836, 79994), (851, 78584), (874, 76516), (893, 74888), (1012, 66082), (1034, 64676), (1081, 61864), (1406, 47564), (1628, 41078), (1672, 39997), (1702, 39292), (1739, 38456), (1748, 38258), (1786, 37444), (2024, 33041), (2068, 32338), (2162, 30932), (2812, 23782), (3256, 20539), (3404, 19646), (3478, 19228), (3496, 19129), (3572, 18722), (4136, 16169), (4324, 15466), (4807, 13912), (5624, 11891), (6808, 9823), (6956, 9614), (7144, 9361), (7733, 8648)]