1787729868

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{2237}}^1$

素因数の和:2607

約数の個数: 72

約数和(自身を含む): 4594524480

約数和(自身を除く): 2806794612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 281, 316, 474, 562, 711, 843, 948, 1124, 1422, 1686, 2237, 2529, 2844, 3372, 4474, 5058, 6711, 8948, 10116, 13422, 20133, 22199, 26844, 40266, 44398, 66597, 80532, 88796, 133194, 176723, 199791, 266388, 353446, 399582, 530169, 628597, 706892, 799164, 1060338, 1257194, 1590507, 1885791, 2120676, 2514388, 3181014, 3771582, 5657373, 6362028, 7543164, 11314746, 22629492, 49659163, 99318326, 148977489, 198636652, 297954978, 446932467, 595909956, 893864934, 1787729868]

約数ペア:

[(1, 1787729868), (2, 893864934), (3, 595909956), (4, 446932467), (6, 297954978), (9, 198636652), (12, 148977489), (18, 99318326), (36, 49659163), (79, 22629492), (158, 11314746), (237, 7543164), (281, 6362028), (316, 5657373), (474, 3771582), (562, 3181014), (711, 2514388), (843, 2120676), (948, 1885791), (1124, 1590507), (1422, 1257194), (1686, 1060338), (2237, 799164), (2529, 706892), (2844, 628597), (3372, 530169), (4474, 399582), (5058, 353446), (6711, 266388), (8948, 199791), (10116, 176723), (13422, 133194), (20133, 88796), (22199, 80532), (26844, 66597), (40266, 44398)]