1216793768

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{337}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 2453068800

約数和(自身を除く): 1236275032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 191, 278, 337, 382, 556, 674, 764, 1112, 1348, 1528, 2363, 2696, 3247, 4726, 5729, 6494, 9452, 11458, 12988, 18904, 22916, 25976, 26549, 45832, 46843, 53098, 64367, 93686, 106196, 128734, 187372, 212392, 257468, 374744, 451333, 514936, 796331, 902666, 1094239, 1592662, 1805332, 2188478, 3185324, 3610664, 4376956, 6370648, 8753912, 8947013, 17894026, 35788052, 71576104, 152099221, 304198442, 608396884, 1216793768]

約数ペア:

[(1, 1216793768), (2, 608396884), (4, 304198442), (8, 152099221), (17, 71576104), (34, 35788052), (68, 17894026), (136, 8947013), (139, 8753912), (191, 6370648), (278, 4376956), (337, 3610664), (382, 3185324), (556, 2188478), (674, 1805332), (764, 1592662), (1112, 1094239), (1348, 902666), (1528, 796331), (2363, 514936), (2696, 451333), (3247, 374744), (4726, 257468), (5729, 212392), (6494, 187372), (9452, 128734), (11458, 106196), (12988, 93686), (18904, 64367), (22916, 53098), (25976, 46843), (26549, 45832)]