1949207845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{41023}}^1$

素因数の和:41101

約数の個数: 32

約数和(自身を含む): 2729244672

約数和(自身を除く): 780036827

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 2795, 3655, 9503, 41023, 47515, 205115, 533299, 697391, 1763989, 2666495, 3486955, 8819945, 9066083, 22931857, 29987813, 45330415, 114659285, 149939065, 389841569, 1949207845]

約数ペア:

[(1, 1949207845), (5, 389841569), (13, 149939065), (17, 114659285), (43, 45330415), (65, 29987813), (85, 22931857), (215, 9066083), (221, 8819945), (559, 3486955), (731, 2666495), (1105, 1763989), (2795, 697391), (3655, 533299), (9503, 205115), (41023, 47515)]