204156976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1289}}^1$

素因数の和:1837

約数の個数: 40

約数和(自身を含む): 417495600

約数和(自身を除く): 213338624

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 521, 1042, 1289, 2084, 2578, 4168, 5156, 8336, 9899, 10312, 19798, 20624, 24491, 39596, 48982, 79192, 97964, 158384, 195928, 391856, 671569, 1343138, 2686276, 5372552, 10745104, 12759811, 25519622, 51039244, 102078488, 204156976]

約数ペア:

[(1, 204156976), (2, 102078488), (4, 51039244), (8, 25519622), (16, 12759811), (19, 10745104), (38, 5372552), (76, 2686276), (152, 1343138), (304, 671569), (521, 391856), (1042, 195928), (1289, 158384), (2084, 97964), (2578, 79192), (4168, 48982), (5156, 39596), (8336, 24491), (9899, 20624), (10312, 19798)]