315177538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{691}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 521059392

約数和(自身を除く): 205881854

約数列:

[1, 2, 13, 26, 53, 106, 331, 662, 689, 691, 1378, 1382, 4303, 8606, 8983, 17543, 17966, 35086, 36623, 73246, 228059, 228721, 456118, 457442, 476099, 952198, 2973373, 5946746, 12122213, 24244426, 157588769, 315177538]

約数ペア:

[(1, 315177538), (2, 157588769), (13, 24244426), (26, 12122213), (53, 5946746), (106, 2973373), (331, 952198), (662, 476099), (689, 457442), (691, 456118), (1378, 228721), (1382, 228059), (4303, 73246), (8606, 36623), (8983, 35086), (17543, 17966)]