28805270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5153}}^1$

素因数の和:5216

約数の個数: 32

約数和(自身を含む): 57147552

約数和(自身を除く): 28342282

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5153, 5590, 10306, 25765, 51530, 66989, 133978, 221579, 334945, 443158, 669890, 1107895, 2215790, 2880527, 5761054, 14402635, 28805270]

約数ペア:

[(1, 28805270), (2, 14402635), (5, 5761054), (10, 2880527), (13, 2215790), (26, 1107895), (43, 669890), (65, 443158), (86, 334945), (130, 221579), (215, 133978), (430, 66989), (559, 51530), (1118, 25765), (2795, 10306), (5153, 5590)]