280948928

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7853}}^1$

素因数の和:7921

約数の個数: 56

約数和(自身を含む): 614434128

約数和(自身を除く): 333485200

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 2236, 2752, 4472, 7853, 8944, 15706, 17888, 31412, 35776, 62824, 102089, 125648, 204178, 251296, 337679, 408356, 502592, 675358, 816712, 1350716, 1633424, 2701432, 3266848, 4389827, 5402864, 6533696, 8779654, 10805728, 17559308, 21611456, 35118616, 70237232, 140474464, 280948928]

約数ペア:

[(1, 280948928), (2, 140474464), (4, 70237232), (8, 35118616), (13, 21611456), (16, 17559308), (26, 10805728), (32, 8779654), (43, 6533696), (52, 5402864), (64, 4389827), (86, 3266848), (104, 2701432), (172, 1633424), (208, 1350716), (344, 816712), (416, 675358), (559, 502592), (688, 408356), (832, 337679), (1118, 251296), (1376, 204178), (2236, 125648), (2752, 102089), (4472, 62824), (7853, 35776), (8944, 31412), (15706, 17888)]