68780275

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1\times {\mathrm{251}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 87275664

約数和(自身を除く): 18495389

約数列:

[1, 5, 25, 97, 113, 251, 485, 565, 1255, 2425, 2825, 6275, 10961, 24347, 28363, 54805, 121735, 141815, 274025, 608675, 709075, 2751211, 13756055, 68780275]

約数ペア:

[(1, 68780275), (5, 13756055), (25, 2751211), (97, 709075), (113, 608675), (251, 274025), (485, 141815), (565, 121735), (1255, 54805), (2425, 28363), (2825, 24347), (6275, 10961)]