1991569448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{57881}}^1$

素因数の和:57938

約数の個数: 64

約数和(自身を含む): 4500904320

約数和(自身を除く): 2509334872

約数列:

[1, 2, 4, 8, 11, 17, 22, 23, 34, 44, 46, 68, 88, 92, 136, 184, 187, 253, 374, 391, 506, 748, 782, 1012, 1496, 1564, 2024, 3128, 4301, 8602, 17204, 34408, 57881, 115762, 231524, 463048, 636691, 983977, 1273382, 1331263, 1967954, 2546764, 2662526, 3935908, 5093528, 5325052, 7871816, 10650104, 10823747, 14643893, 21647494, 22631471, 29287786, 43294988, 45262942, 58575572, 86589976, 90525884, 117151144, 181051768, 248946181, 497892362, 995784724, 1991569448]

約数ペア:

[(1, 1991569448), (2, 995784724), (4, 497892362), (8, 248946181), (11, 181051768), (17, 117151144), (22, 90525884), (23, 86589976), (34, 58575572), (44, 45262942), (46, 43294988), (68, 29287786), (88, 22631471), (92, 21647494), (136, 14643893), (184, 10823747), (187, 10650104), (253, 7871816), (374, 5325052), (391, 5093528), (506, 3935908), (748, 2662526), (782, 2546764), (1012, 1967954), (1496, 1331263), (1564, 1273382), (2024, 983977), (3128, 636691), (4301, 463048), (8602, 231524), (17204, 115762), (34408, 57881)]