201955325

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3323}}^1$

素因数の和:3374

約数の個数: 48

約数和(自身を含む): 311605056

約数和(自身を除く): 109649731

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2431, 3323, 3575, 4675, 5525, 12155, 16615, 36553, 43199, 56491, 60775, 83075, 182765, 215995, 282455, 475189, 621401, 734383, 913825, 1079975, 1412275, 2375945, 3107005, 3671915, 8078213, 11879725, 15535025, 18359575, 40391065, 201955325]

約数ペア:

[(1, 201955325), (5, 40391065), (11, 18359575), (13, 15535025), (17, 11879725), (25, 8078213), (55, 3671915), (65, 3107005), (85, 2375945), (143, 1412275), (187, 1079975), (221, 913825), (275, 734383), (325, 621401), (425, 475189), (715, 282455), (935, 215995), (1105, 182765), (2431, 83075), (3323, 60775), (3575, 56491), (4675, 43199), (5525, 36553), (12155, 16615)]