78508235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 105416640

約数和(自身を除く): 26908405

約数列:

[1, 5, 13, 41, 65, 89, 205, 331, 445, 533, 1157, 1655, 2665, 3649, 4303, 5785, 13571, 18245, 21515, 29459, 47437, 67855, 147295, 176423, 237185, 382967, 882115, 1207819, 1914835, 6039095, 15701647, 78508235]

約数ペア:

[(1, 78508235), (5, 15701647), (13, 6039095), (41, 1914835), (65, 1207819), (89, 882115), (205, 382967), (331, 237185), (445, 176423), (533, 147295), (1157, 67855), (1655, 47437), (2665, 29459), (3649, 21515), (4303, 18245), (5785, 13571)]