90974845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 121701888

約数和(自身を除く): 30727043

約数列:

[1, 5, 13, 47, 65, 97, 235, 307, 485, 611, 1261, 1535, 3055, 3991, 4559, 6305, 14429, 19955, 22795, 29779, 59267, 72145, 148895, 187577, 296335, 387127, 937885, 1399613, 1935635, 6998065, 18194969, 90974845]

約数ペア:

[(1, 90974845), (5, 18194969), (13, 6998065), (47, 1935635), (65, 1399613), (97, 937885), (235, 387127), (307, 296335), (485, 187577), (611, 148895), (1261, 72145), (1535, 59267), (3055, 29779), (3991, 22795), (4559, 19955), (6305, 14429)]