81915470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{90017}}^1$

素因数の和:90044

約数の個数: 32

約数和(自身を含む): 181476288

約数和(自身を除く): 99560818

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 90017, 180034, 450085, 630119, 900170, 1170221, 1260238, 2340442, 3150595, 5851105, 6301190, 8191547, 11702210, 16383094, 40957735, 81915470]

約数ペア:

[(1, 81915470), (2, 40957735), (5, 16383094), (7, 11702210), (10, 8191547), (13, 6301190), (14, 5851105), (26, 3150595), (35, 2340442), (65, 1260238), (70, 1170221), (91, 900170), (130, 630119), (182, 450085), (455, 180034), (910, 90017)]