16998280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{337}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 41736240

約数和(自身を除く): 24737960

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 97, 104, 130, 194, 260, 337, 388, 485, 520, 674, 776, 970, 1261, 1348, 1685, 1940, 2522, 2696, 3370, 3880, 4381, 5044, 6305, 6740, 8762, 10088, 12610, 13480, 17524, 21905, 25220, 32689, 35048, 43810, 50440, 65378, 87620, 130756, 163445, 175240, 261512, 326890, 424957, 653780, 849914, 1307560, 1699828, 2124785, 3399656, 4249570, 8499140, 16998280]

約数ペア:

[(1, 16998280), (2, 8499140), (4, 4249570), (5, 3399656), (8, 2124785), (10, 1699828), (13, 1307560), (20, 849914), (26, 653780), (40, 424957), (52, 326890), (65, 261512), (97, 175240), (104, 163445), (130, 130756), (194, 87620), (260, 65378), (337, 50440), (388, 43810), (485, 35048), (520, 32689), (674, 25220), (776, 21905), (970, 17524), (1261, 13480), (1348, 12610), (1685, 10088), (1940, 8762), (2522, 6740), (2696, 6305), (3370, 5044), (3880, 4381)]