71998444

素因数分解:

$2^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:663

約数の個数: 48

約数和(自身を含む): 148724800

約数和(自身を除く): 76726356

約数列:

[1, 2, 4, 7, 14, 28, 49, 97, 98, 194, 196, 343, 388, 541, 679, 686, 1082, 1358, 1372, 2164, 2716, 3787, 4753, 7574, 9506, 15148, 19012, 26509, 33271, 52477, 53018, 66542, 104954, 106036, 133084, 185563, 209908, 367339, 371126, 734678, 742252, 1469356, 2571373, 5142746, 10285492, 17999611, 35999222, 71998444]

約数ペア:

[(1, 71998444), (2, 35999222), (4, 17999611), (7, 10285492), (14, 5142746), (28, 2571373), (49, 1469356), (97, 742252), (98, 734678), (194, 371126), (196, 367339), (343, 209908), (388, 185563), (541, 133084), (679, 106036), (686, 104954), (1082, 66542), (1358, 53018), (1372, 52477), (2164, 33271), (2716, 26509), (3787, 19012), (4753, 15148), (7574, 9506)]