31439278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:580

約数の個数: 32

約数和(自身を含む): 52934112

約数和(自身を除く): 21494834

約数列:

[1, 2, 13, 26, 43, 61, 86, 122, 461, 559, 793, 922, 1118, 1586, 2623, 5246, 5993, 11986, 19823, 28121, 34099, 39646, 56242, 68198, 257699, 365573, 515398, 731146, 1209203, 2418406, 15719639, 31439278]

約数ペア:

[(1, 31439278), (2, 15719639), (13, 2418406), (26, 1209203), (43, 731146), (61, 515398), (86, 365573), (122, 257699), (461, 68198), (559, 56242), (793, 39646), (922, 34099), (1118, 28121), (1586, 19823), (2623, 11986), (5246, 5993)]