64887888

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:477

約数の個数: 120

約数和(自身を含む): 191520480

約数和(自身を除く): 126632592

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 169, 208, 228, 247, 304, 312, 338, 421, 456, 494, 507, 624, 676, 741, 842, 912, 988, 1014, 1263, 1352, 1482, 1684, 1976, 2028, 2526, 2704, 2964, 3211, 3368, 3952, 4056, 5052, 5473, 5928, 6422, 6736, 7999, 8112, 9633, 10104, 10946, 11856, 12844, 15998, 16419, 19266, 20208, 21892, 23997, 25688, 31996, 32838, 38532, 43784, 47994, 51376, 63992, 65676, 71149, 77064, 87568, 95988, 103987, 127984, 131352, 142298, 154128, 191976, 207974, 213447, 262704, 284596, 311961, 383952, 415948, 426894, 569192, 623922, 831896, 853788, 1138384, 1247844, 1351831, 1663792, 1707576, 2495688, 2703662, 3415152, 4055493, 4991376, 5407324, 8110986, 10814648, 16221972, 21629296, 32443944, 64887888]

約数ペア:

[(1, 64887888), (2, 32443944), (3, 21629296), (4, 16221972), (6, 10814648), (8, 8110986), (12, 5407324), (13, 4991376), (16, 4055493), (19, 3415152), (24, 2703662), (26, 2495688), (38, 1707576), (39, 1663792), (48, 1351831), (52, 1247844), (57, 1138384), (76, 853788), (78, 831896), (104, 623922), (114, 569192), (152, 426894), (156, 415948), (169, 383952), (208, 311961), (228, 284596), (247, 262704), (304, 213447), (312, 207974), (338, 191976), (421, 154128), (456, 142298), (494, 131352), (507, 127984), (624, 103987), (676, 95988), (741, 87568), (842, 77064), (912, 71149), (988, 65676), (1014, 63992), (1263, 51376), (1352, 47994), (1482, 43784), (1684, 38532), (1976, 32838), (2028, 31996), (2526, 25688), (2704, 23997), (2964, 21892), (3211, 20208), (3368, 19266), (3952, 16419), (4056, 15998), (5052, 12844), (5473, 11856), (5928, 10946), (6422, 10104), (6736, 9633), (7999, 8112)]