15721496956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1\times {\mathrm{12329}}^1$

素因数の和:12814

約数の個数: 48

約数和(自身を含む): 30504025440

約数和(自身を除く): 14782528484

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 397, 794, 803, 1588, 1606, 3212, 4367, 8734, 12329, 17468, 24658, 28981, 49316, 57962, 115924, 135619, 271238, 318791, 542476, 637582, 900017, 1275164, 1800034, 3600068, 4894613, 9789226, 9900187, 19578452, 19800374, 39600748, 53840743, 107681486, 215362972, 357306749, 714613498, 1429226996, 3930374239, 7860748478, 15721496956]

約数ペア:

[(1, 15721496956), (2, 7860748478), (4, 3930374239), (11, 1429226996), (22, 714613498), (44, 357306749), (73, 215362972), (146, 107681486), (292, 53840743), (397, 39600748), (794, 19800374), (803, 19578452), (1588, 9900187), (1606, 9789226), (3212, 4894613), (4367, 3600068), (8734, 1800034), (12329, 1275164), (17468, 900017), (24658, 637582), (28981, 542476), (49316, 318791), (57962, 271238), (115924, 135619)]