127983856

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 340978176

約数和(自身を除く): 212994320

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 61, 77, 88, 91, 104, 112, 122, 131, 143, 154, 176, 182, 208, 244, 262, 286, 308, 364, 427, 488, 524, 572, 616, 671, 728, 793, 854, 917, 976, 1001, 1048, 1144, 1232, 1342, 1441, 1456, 1586, 1703, 1708, 1834, 2002, 2096, 2288, 2684, 2882, 3172, 3406, 3416, 3668, 4004, 4697, 5368, 5551, 5764, 6344, 6812, 6832, 7336, 7991, 8008, 8723, 9394, 10087, 10736, 11102, 11528, 11921, 12688, 13624, 14672, 15982, 16016, 17446, 18733, 18788, 20174, 22204, 23056, 23842, 27248, 31964, 34892, 37466, 37576, 40348, 44408, 47684, 55937, 61061, 63928, 69784, 74932, 75152, 80696, 87901, 88816, 95368, 103883, 111874, 122122, 127856, 131131, 139568, 149864, 161392, 175802, 190736, 207766, 223748, 244244, 262262, 299728, 351604, 415532, 447496, 488488, 524524, 615307, 703208, 727181, 831064, 894992, 976976, 1049048, 1142713, 1230614, 1406416, 1454362, 1662128, 2098096, 2285426, 2461228, 2908724, 4570852, 4922456, 5817448, 7998991, 9141704, 9844912, 11634896, 15997982, 18283408, 31995964, 63991928, 127983856]

約数ペア:

[(1, 127983856), (2, 63991928), (4, 31995964), (7, 18283408), (8, 15997982), (11, 11634896), (13, 9844912), (14, 9141704), (16, 7998991), (22, 5817448), (26, 4922456), (28, 4570852), (44, 2908724), (52, 2461228), (56, 2285426), (61, 2098096), (77, 1662128), (88, 1454362), (91, 1406416), (104, 1230614), (112, 1142713), (122, 1049048), (131, 976976), (143, 894992), (154, 831064), (176, 727181), (182, 703208), (208, 615307), (244, 524524), (262, 488488), (286, 447496), (308, 415532), (364, 351604), (427, 299728), (488, 262262), (524, 244244), (572, 223748), (616, 207766), (671, 190736), (728, 175802), (793, 161392), (854, 149864), (917, 139568), (976, 131131), (1001, 127856), (1048, 122122), (1144, 111874), (1232, 103883), (1342, 95368), (1441, 88816), (1456, 87901), (1586, 80696), (1703, 75152), (1708, 74932), (1834, 69784), (2002, 63928), (2096, 61061), (2288, 55937), (2684, 47684), (2882, 44408), (3172, 40348), (3406, 37576), (3416, 37466), (3668, 34892), (4004, 31964), (4697, 27248), (5368, 23842), (5551, 23056), (5764, 22204), (6344, 20174), (6812, 18788), (6832, 18733), (7336, 17446), (7991, 16016), (8008, 15982), (8723, 14672), (9394, 13624), (10087, 12688), (10736, 11921), (11102, 11528)]