31961502

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 71267040

約数和(自身を除く): 39305538

約数列:

[1, 2, 3, 6, 9, 18, 71, 89, 142, 178, 213, 267, 281, 426, 534, 562, 639, 801, 843, 1278, 1602, 1686, 2529, 5058, 6319, 12638, 18957, 19951, 25009, 37914, 39902, 50018, 56871, 59853, 75027, 113742, 119706, 150054, 179559, 225081, 359118, 450162, 1775639, 3551278, 5326917, 10653834, 15980751, 31961502]

約数ペア:

[(1, 31961502), (2, 15980751), (3, 10653834), (6, 5326917), (9, 3551278), (18, 1775639), (71, 450162), (89, 359118), (142, 225081), (178, 179559), (213, 150054), (267, 119706), (281, 113742), (426, 75027), (534, 59853), (562, 56871), (639, 50018), (801, 39902), (843, 37914), (1278, 25009), (1602, 19951), (1686, 18957), (2529, 12638), (5058, 6319)]