7678390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{47}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 15443136

約数和(自身を除く): 7764746

約数列:

[1, 2, 5, 10, 17, 31, 34, 47, 62, 85, 94, 155, 170, 235, 310, 470, 527, 799, 961, 1054, 1457, 1598, 1922, 2635, 2914, 3995, 4805, 5270, 7285, 7990, 9610, 14570, 16337, 24769, 32674, 45167, 49538, 81685, 90334, 123845, 163370, 225835, 247690, 451670, 767839, 1535678, 3839195, 7678390]

約数ペア:

[(1, 7678390), (2, 3839195), (5, 1535678), (10, 767839), (17, 451670), (31, 247690), (34, 225835), (47, 163370), (62, 123845), (85, 90334), (94, 81685), (155, 49538), (170, 45167), (235, 32674), (310, 24769), (470, 16337), (527, 14570), (799, 9610), (961, 7990), (1054, 7285), (1457, 5270), (1598, 4805), (1922, 3995), (2635, 2914)]