90625555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 120158208

約数和(自身を除く): 29532653

約数列:

[1, 5, 17, 31, 85, 155, 163, 211, 527, 815, 1055, 2635, 2771, 3587, 5053, 6541, 13855, 17935, 25265, 32705, 34393, 85901, 111197, 171965, 429505, 555985, 584681, 1066183, 2923405, 5330915, 18125111, 90625555]

約数ペア:

[(1, 90625555), (5, 18125111), (17, 5330915), (31, 2923405), (85, 1066183), (155, 584681), (163, 555985), (211, 429505), (527, 171965), (815, 111197), (1055, 85901), (2635, 34393), (2771, 32705), (3587, 25265), (5053, 17935), (6541, 13855)]