15712921567987

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1\times {\mathrm{457829}}^1$

素因数の和:459427

約数の個数: 32

約数和(自身を含む): 18719899545600

約数和(自身を除く): 3006977977613

約数列:

[1, 7, 31, 109, 217, 763, 1451, 3379, 10157, 23653, 44981, 158159, 314867, 457829, 1107113, 3204803, 4902929, 14192699, 34320503, 49903361, 99348893, 349323527, 664309879, 1547004191, 4650169153, 10829029337, 20593606249, 72409776811, 144155243743, 506868437677, 2244703081141, 15712921567987]

約数ペア:

[(1, 15712921567987), (7, 2244703081141), (31, 506868437677), (109, 144155243743), (217, 72409776811), (763, 20593606249), (1451, 10829029337), (3379, 4650169153), (10157, 1547004191), (23653, 664309879), (44981, 349323527), (158159, 99348893), (314867, 49903361), (457829, 34320503), (1107113, 14192699), (3204803, 4902929)]