16863275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 25310880

約数和(自身を除く): 8447605

約数列:

[1, 5, 11, 13, 25, 53, 55, 65, 89, 143, 265, 275, 325, 445, 583, 689, 715, 979, 1157, 1325, 2225, 2915, 3445, 3575, 4717, 4895, 5785, 7579, 12727, 14575, 17225, 23585, 24475, 28925, 37895, 51887, 61321, 63635, 117925, 189475, 259435, 306605, 318175, 674531, 1297175, 1533025, 3372655, 16863275]

約数ペア:

[(1, 16863275), (5, 3372655), (11, 1533025), (13, 1297175), (25, 674531), (53, 318175), (55, 306605), (65, 259435), (89, 189475), (143, 117925), (265, 63635), (275, 61321), (325, 51887), (445, 37895), (583, 28925), (689, 24475), (715, 23585), (979, 17225), (1157, 14575), (1325, 12727), (2225, 7579), (2915, 5785), (3445, 4895), (3575, 4717)]