257627916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4139}}^1$

素因数の和:4188

約数の個数: 144

約数和(自身を含む): 843897600

約数和(自身を除く): 586269684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 156, 171, 182, 228, 234, 247, 252, 266, 273, 342, 364, 399, 468, 494, 532, 546, 684, 741, 798, 819, 988, 1092, 1197, 1482, 1596, 1638, 1729, 2223, 2394, 2964, 3276, 3458, 4139, 4446, 4788, 5187, 6916, 8278, 8892, 10374, 12417, 15561, 16556, 20748, 24834, 28973, 31122, 37251, 49668, 53807, 57946, 62244, 74502, 78641, 86919, 107614, 115892, 149004, 157282, 161421, 173838, 215228, 235923, 260757, 314564, 322842, 347676, 376649, 471846, 484263, 521514, 550487, 645684, 707769, 753298, 943692, 968526, 1022333, 1043028, 1100974, 1129947, 1415538, 1506596, 1651461, 1937052, 2044666, 2201948, 2259894, 2831076, 3066999, 3302922, 3389841, 4089332, 4519788, 4954383, 6133998, 6605844, 6779682, 7156331, 9200997, 9908766, 12267996, 13559364, 14312662, 18401994, 19817532, 21468993, 28625324, 36803988, 42937986, 64406979, 85875972, 128813958, 257627916]

約数ペア:

[(1, 257627916), (2, 128813958), (3, 85875972), (4, 64406979), (6, 42937986), (7, 36803988), (9, 28625324), (12, 21468993), (13, 19817532), (14, 18401994), (18, 14312662), (19, 13559364), (21, 12267996), (26, 9908766), (28, 9200997), (36, 7156331), (38, 6779682), (39, 6605844), (42, 6133998), (52, 4954383), (57, 4519788), (63, 4089332), (76, 3389841), (78, 3302922), (84, 3066999), (91, 2831076), (114, 2259894), (117, 2201948), (126, 2044666), (133, 1937052), (156, 1651461), (171, 1506596), (182, 1415538), (228, 1129947), (234, 1100974), (247, 1043028), (252, 1022333), (266, 968526), (273, 943692), (342, 753298), (364, 707769), (399, 645684), (468, 550487), (494, 521514), (532, 484263), (546, 471846), (684, 376649), (741, 347676), (798, 322842), (819, 314564), (988, 260757), (1092, 235923), (1197, 215228), (1482, 173838), (1596, 161421), (1638, 157282), (1729, 149004), (2223, 115892), (2394, 107614), (2964, 86919), (3276, 78641), (3458, 74502), (4139, 62244), (4446, 57946), (4788, 53807), (5187, 49668), (6916, 37251), (8278, 31122), (8892, 28973), (10374, 24834), (12417, 20748), (15561, 16556)]