25172972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{8539}}^1$

素因数の和:8621

約数の個数: 24

約数和(自身を含む): 48780480

約数和(自身を除く): 23607508

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 268, 737, 1474, 2948, 8539, 17078, 34156, 93929, 187858, 375716, 572113, 1144226, 2288452, 6293243, 12586486, 25172972]

約数ペア:

[(1, 25172972), (2, 12586486), (4, 6293243), (11, 2288452), (22, 1144226), (44, 572113), (67, 375716), (134, 187858), (268, 93929), (737, 34156), (1474, 17078), (2948, 8539)]