278781468

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{1327}}^1$

素因数の和:1443

約数の個数: 96

約数和(自身を含む): 774617088

約数和(自身を除く): 495835620

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 61, 82, 84, 122, 123, 164, 183, 244, 246, 287, 366, 427, 492, 574, 732, 854, 861, 1148, 1281, 1327, 1708, 1722, 2501, 2562, 2654, 3444, 3981, 5002, 5124, 5308, 7503, 7962, 9289, 10004, 15006, 15924, 17507, 18578, 27867, 30012, 35014, 37156, 52521, 54407, 55734, 70028, 80947, 105042, 108814, 111468, 161894, 163221, 210084, 217628, 242841, 323788, 326442, 380849, 485682, 566629, 652884, 761698, 971364, 1133258, 1142547, 1523396, 1699887, 2266516, 2285094, 3318827, 3399774, 4570188, 6637654, 6799548, 9956481, 13275308, 19912962, 23231789, 39825924, 46463578, 69695367, 92927156, 139390734, 278781468]

約数ペア:

[(1, 278781468), (2, 139390734), (3, 92927156), (4, 69695367), (6, 46463578), (7, 39825924), (12, 23231789), (14, 19912962), (21, 13275308), (28, 9956481), (41, 6799548), (42, 6637654), (61, 4570188), (82, 3399774), (84, 3318827), (122, 2285094), (123, 2266516), (164, 1699887), (183, 1523396), (244, 1142547), (246, 1133258), (287, 971364), (366, 761698), (427, 652884), (492, 566629), (574, 485682), (732, 380849), (854, 326442), (861, 323788), (1148, 242841), (1281, 217628), (1327, 210084), (1708, 163221), (1722, 161894), (2501, 111468), (2562, 108814), (2654, 105042), (3444, 80947), (3981, 70028), (5002, 55734), (5124, 54407), (5308, 52521), (7503, 37156), (7962, 35014), (9289, 30012), (10004, 27867), (15006, 18578), (15924, 17507)]