278238464

素因数分解:

$2^8\times 7^2\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:612

約数の個数: 108

約数和(自身を含む): 663047028

約数和(自身を除く): 384808564

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 64, 82, 98, 112, 128, 164, 196, 224, 256, 287, 328, 392, 448, 541, 574, 656, 784, 896, 1082, 1148, 1312, 1568, 1792, 2009, 2164, 2296, 2624, 3136, 3787, 4018, 4328, 4592, 5248, 6272, 7574, 8036, 8656, 9184, 10496, 12544, 15148, 16072, 17312, 18368, 22181, 26509, 30296, 32144, 34624, 36736, 44362, 53018, 60592, 64288, 69248, 73472, 88724, 106036, 121184, 128576, 138496, 155267, 177448, 212072, 242368, 257152, 310534, 354896, 424144, 484736, 514304, 621068, 709792, 848288, 969472, 1086869, 1242136, 1419584, 1696576, 2173738, 2484272, 2839168, 3393152, 4347476, 4968544, 5678336, 6786304, 8694952, 9937088, 17389904, 19874176, 34779808, 39748352, 69559616, 139119232, 278238464]

約数ペア:

[(1, 278238464), (2, 139119232), (4, 69559616), (7, 39748352), (8, 34779808), (14, 19874176), (16, 17389904), (28, 9937088), (32, 8694952), (41, 6786304), (49, 5678336), (56, 4968544), (64, 4347476), (82, 3393152), (98, 2839168), (112, 2484272), (128, 2173738), (164, 1696576), (196, 1419584), (224, 1242136), (256, 1086869), (287, 969472), (328, 848288), (392, 709792), (448, 621068), (541, 514304), (574, 484736), (656, 424144), (784, 354896), (896, 310534), (1082, 257152), (1148, 242368), (1312, 212072), (1568, 177448), (1792, 155267), (2009, 138496), (2164, 128576), (2296, 121184), (2624, 106036), (3136, 88724), (3787, 73472), (4018, 69248), (4328, 64288), (4592, 60592), (5248, 53018), (6272, 44362), (7574, 36736), (8036, 34624), (8656, 32144), (9184, 30296), (10496, 26509), (12544, 22181), (15148, 18368), (16072, 17312)]