155225525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 72

約数和(自身を含む): 248234112

約数和(自身を除く): 93008587

約数列:

[1, 5, 7, 13, 25, 31, 35, 65, 71, 91, 155, 175, 217, 325, 355, 403, 455, 497, 775, 923, 961, 1085, 1775, 2015, 2201, 2275, 2485, 2821, 4615, 4805, 5425, 6461, 6727, 10075, 11005, 12425, 12493, 14105, 15407, 23075, 24025, 28613, 32305, 33635, 55025, 62465, 68231, 70525, 77035, 87451, 143065, 161525, 168175, 200291, 312325, 341155, 385175, 437255, 477617, 715325, 887003, 1001455, 1705775, 2186275, 2388085, 4435015, 5007275, 6209021, 11940425, 22175075, 31045105, 155225525]

約数ペア:

[(1, 155225525), (5, 31045105), (7, 22175075), (13, 11940425), (25, 6209021), (31, 5007275), (35, 4435015), (65, 2388085), (71, 2186275), (91, 1705775), (155, 1001455), (175, 887003), (217, 715325), (325, 477617), (355, 437255), (403, 385175), (455, 341155), (497, 312325), (775, 200291), (923, 168175), (961, 161525), (1085, 143065), (1775, 87451), (2015, 77035), (2201, 70525), (2275, 68231), (2485, 62465), (2821, 55025), (4615, 33635), (4805, 32305), (5425, 28613), (6461, 24025), (6727, 23075), (10075, 15407), (11005, 14105), (12425, 12493)]