247876356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{919}}^1$

素因数の和:978

約数の個数: 144

約数和(自身を含む): 754252800

約数和(自身を除く): 506376444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 76, 78, 84, 91, 114, 133, 156, 169, 182, 228, 247, 266, 273, 338, 364, 399, 494, 507, 532, 546, 676, 741, 798, 919, 988, 1014, 1092, 1183, 1482, 1596, 1729, 1838, 2028, 2366, 2757, 2964, 3211, 3458, 3549, 3676, 4732, 5187, 5514, 6422, 6433, 6916, 7098, 9633, 10374, 11028, 11947, 12844, 12866, 14196, 17461, 19266, 19299, 20748, 22477, 23894, 25732, 34922, 35841, 38532, 38598, 44954, 47788, 52383, 67431, 69844, 71682, 77196, 83629, 89908, 104766, 122227, 134862, 143364, 155311, 167258, 209532, 226993, 244454, 250887, 269724, 310622, 334516, 366681, 453986, 465933, 488908, 501774, 621244, 680979, 733362, 907972, 931866, 1003548, 1087177, 1361958, 1466724, 1588951, 1863732, 2174354, 2723916, 2950909, 3177902, 3261531, 4348708, 4766853, 5901818, 6355804, 6523062, 8852727, 9533706, 11803636, 13046124, 17705454, 19067412, 20656363, 35410908, 41312726, 61969089, 82625452, 123938178, 247876356]

約数ペア:

[(1, 247876356), (2, 123938178), (3, 82625452), (4, 61969089), (6, 41312726), (7, 35410908), (12, 20656363), (13, 19067412), (14, 17705454), (19, 13046124), (21, 11803636), (26, 9533706), (28, 8852727), (38, 6523062), (39, 6355804), (42, 5901818), (52, 4766853), (57, 4348708), (76, 3261531), (78, 3177902), (84, 2950909), (91, 2723916), (114, 2174354), (133, 1863732), (156, 1588951), (169, 1466724), (182, 1361958), (228, 1087177), (247, 1003548), (266, 931866), (273, 907972), (338, 733362), (364, 680979), (399, 621244), (494, 501774), (507, 488908), (532, 465933), (546, 453986), (676, 366681), (741, 334516), (798, 310622), (919, 269724), (988, 250887), (1014, 244454), (1092, 226993), (1183, 209532), (1482, 167258), (1596, 155311), (1729, 143364), (1838, 134862), (2028, 122227), (2366, 104766), (2757, 89908), (2964, 83629), (3211, 77196), (3458, 71682), (3549, 69844), (3676, 67431), (4732, 52383), (5187, 47788), (5514, 44954), (6422, 38598), (6433, 38532), (6916, 35841), (7098, 34922), (9633, 25732), (10374, 23894), (11028, 22477), (11947, 20748), (12844, 19299), (12866, 19266), (14196, 17461)]