66800988

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 173916288

約数和(自身を除く): 107115300

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 157, 159, 212, 223, 314, 318, 446, 471, 477, 628, 636, 669, 892, 942, 954, 1338, 1413, 1884, 1908, 2007, 2676, 2826, 4014, 5652, 8028, 8321, 11819, 16642, 23638, 24963, 33284, 35011, 35457, 47276, 49926, 70022, 70914, 74889, 99852, 105033, 106371, 140044, 141828, 149778, 210066, 212742, 299556, 315099, 420132, 425484, 630198, 1260396, 1855583, 3711166, 5566749, 7422332, 11133498, 16700247, 22266996, 33400494, 66800988]

約数ペア:

[(1, 66800988), (2, 33400494), (3, 22266996), (4, 16700247), (6, 11133498), (9, 7422332), (12, 5566749), (18, 3711166), (36, 1855583), (53, 1260396), (106, 630198), (157, 425484), (159, 420132), (212, 315099), (223, 299556), (314, 212742), (318, 210066), (446, 149778), (471, 141828), (477, 140044), (628, 106371), (636, 105033), (669, 99852), (892, 74889), (942, 70914), (954, 70022), (1338, 49926), (1413, 47276), (1884, 35457), (1908, 35011), (2007, 33284), (2676, 24963), (2826, 23638), (4014, 16642), (5652, 11819), (8028, 8321)]