9815995

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 32

約数和(自身を含む): 14192640

約数和(自身を除く): 4376645

約数列:

[1, 5, 7, 31, 35, 83, 109, 155, 217, 415, 545, 581, 763, 1085, 2573, 2905, 3379, 3815, 9047, 12865, 16895, 18011, 23653, 45235, 63329, 90055, 118265, 280457, 316645, 1402285, 1963199, 9815995]

約数ペア:

[(1, 9815995), (5, 1963199), (7, 1402285), (31, 316645), (35, 280457), (83, 118265), (109, 90055), (155, 63329), (217, 45235), (415, 23653), (545, 18011), (581, 16895), (763, 12865), (1085, 9047), (2573, 3815), (2905, 3379)]