251705844

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28307}}^1$

素因数の和:28349

約数の個数: 72

約数和(自身を含む): 721287840

約数和(自身を除く): 469581996

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 8892, 28307, 56614, 84921, 113228, 169842, 254763, 339684, 367991, 509526, 537833, 735982, 1019052, 1075666, 1103973, 1471964, 1613499, 2151332, 2207946, 3226998, 3311919, 4415892, 4840497, 6453996, 6623838, 6991829, 9680994, 13247676, 13983658, 19361988, 20975487, 27967316, 41950974, 62926461, 83901948, 125852922, 251705844]

約数ペア:

[(1, 251705844), (2, 125852922), (3, 83901948), (4, 62926461), (6, 41950974), (9, 27967316), (12, 20975487), (13, 19361988), (18, 13983658), (19, 13247676), (26, 9680994), (36, 6991829), (38, 6623838), (39, 6453996), (52, 4840497), (57, 4415892), (76, 3311919), (78, 3226998), (114, 2207946), (117, 2151332), (156, 1613499), (171, 1471964), (228, 1103973), (234, 1075666), (247, 1019052), (342, 735982), (468, 537833), (494, 509526), (684, 367991), (741, 339684), (988, 254763), (1482, 169842), (2223, 113228), (2964, 84921), (4446, 56614), (8892, 28307)]