16948855

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 27250560

約数和(自身を除く): 10301705

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 331, 385, 539, 665, 931, 1045, 1463, 1655, 2317, 2695, 3641, 4655, 6289, 7315, 10241, 11585, 16219, 18205, 25487, 31445, 44023, 51205, 69179, 81095, 127435, 178409, 220115, 308161, 345895, 484253, 892045, 1540805, 2421265, 3389771, 16948855]

約数ペア:

[(1, 16948855), (5, 3389771), (7, 2421265), (11, 1540805), (19, 892045), (35, 484253), (49, 345895), (55, 308161), (77, 220115), (95, 178409), (133, 127435), (209, 81095), (245, 69179), (331, 51205), (385, 44023), (539, 31445), (665, 25487), (931, 18205), (1045, 16219), (1463, 11585), (1655, 10241), (2317, 7315), (2695, 6289), (3641, 4655)]