1388045478

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{86677}}^1$

素因数の和:86856

約数の個数: 32

約数和(自身を含む): 2958146784

約数和(自身を除く): 1570101306

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 157, 314, 471, 942, 2669, 5338, 8007, 16014, 86677, 173354, 260031, 520062, 1473509, 2947018, 4420527, 8841054, 13608289, 27216578, 40824867, 81649734, 231340913, 462681826, 694022739, 1388045478]

約数ペア:

[(1, 1388045478), (2, 694022739), (3, 462681826), (6, 231340913), (17, 81649734), (34, 40824867), (51, 27216578), (102, 13608289), (157, 8841054), (314, 4420527), (471, 2947018), (942, 1473509), (2669, 520062), (5338, 260031), (8007, 173354), (16014, 86677)]