81485534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1724

約数の個数: 32

約数和(自身を含む): 138287520

約数和(自身を除く): 56801986

約数列:

[1, 2, 13, 26, 29, 58, 67, 134, 377, 754, 871, 1613, 1742, 1943, 3226, 3886, 20969, 25259, 41938, 46777, 50518, 93554, 108071, 216142, 608101, 1216202, 1404923, 2809846, 3134059, 6268118, 40742767, 81485534]

約数ペア:

[(1, 81485534), (2, 40742767), (13, 6268118), (26, 3134059), (29, 2809846), (58, 1404923), (67, 1216202), (134, 608101), (377, 216142), (754, 108071), (871, 93554), (1613, 50518), (1742, 46777), (1943, 41938), (3226, 25259), (3886, 20969)]