203400535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1193}}^1$

素因数の和:1315

約数の個数: 32

約数和(自身を含む): 273607488

約数和(自身を除く): 70206953

約数列:

[1, 5, 13, 43, 61, 65, 215, 305, 559, 793, 1193, 2623, 2795, 3965, 5965, 13115, 15509, 34099, 51299, 72773, 77545, 170495, 256495, 363865, 666887, 946049, 3129239, 3334435, 4730245, 15646195, 40680107, 203400535]

約数ペア:

[(1, 203400535), (5, 40680107), (13, 15646195), (43, 4730245), (61, 3334435), (65, 3129239), (215, 946049), (305, 666887), (559, 363865), (793, 256495), (1193, 170495), (2623, 77545), (2795, 72773), (3965, 51299), (5965, 34099), (13115, 15509)]