64727908

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 145100480

約数和(自身を除く): 80372572

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 289, 323, 421, 476, 532, 578, 646, 842, 1156, 1292, 1684, 2023, 2261, 2947, 4046, 4522, 5491, 5894, 7157, 7999, 8092, 9044, 10982, 11788, 14314, 15998, 21964, 28628, 31996, 38437, 50099, 55993, 76874, 100198, 111986, 121669, 135983, 153748, 200396, 223972, 243338, 271966, 486676, 543932, 851683, 951881, 1703366, 1903762, 2311711, 3406732, 3807524, 4623422, 9246844, 16181977, 32363954, 64727908]

約数ペア:

[(1, 64727908), (2, 32363954), (4, 16181977), (7, 9246844), (14, 4623422), (17, 3807524), (19, 3406732), (28, 2311711), (34, 1903762), (38, 1703366), (68, 951881), (76, 851683), (119, 543932), (133, 486676), (238, 271966), (266, 243338), (289, 223972), (323, 200396), (421, 153748), (476, 135983), (532, 121669), (578, 111986), (646, 100198), (842, 76874), (1156, 55993), (1292, 50099), (1684, 38437), (2023, 31996), (2261, 28628), (2947, 21964), (4046, 15998), (4522, 14314), (5491, 11788), (5894, 10982), (7157, 9044), (7999, 8092)]