9901648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{19963}}^1$

素因数の和:20002

約数の個数: 20

約数和(自身を含む): 19804288

約数和(自身を除く): 9902640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 19963, 39926, 79852, 159704, 319408, 618853, 1237706, 2475412, 4950824, 9901648]

約数ペア:

[(1, 9901648), (2, 4950824), (4, 2475412), (8, 1237706), (16, 618853), (31, 319408), (62, 159704), (124, 79852), (248, 39926), (496, 19963)]