215568925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3547}}^1$

素因数の和:3598

約数の個数: 48

約数和(自身を含む): 332603712

約数和(自身を除く): 117034787

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2431, 3547, 3575, 4675, 5525, 12155, 17735, 39017, 46111, 60299, 60775, 88675, 195085, 230555, 301495, 507221, 663289, 783887, 975425, 1152775, 1507475, 2536105, 3316445, 3919435, 8622757, 12680525, 16582225, 19597175, 43113785, 215568925]

約数ペア:

[(1, 215568925), (5, 43113785), (11, 19597175), (13, 16582225), (17, 12680525), (25, 8622757), (55, 3919435), (65, 3316445), (85, 2536105), (143, 1507475), (187, 1152775), (221, 975425), (275, 783887), (325, 663289), (425, 507221), (715, 301495), (935, 230555), (1105, 195085), (2431, 88675), (3547, 60775), (3575, 60299), (4675, 46111), (5525, 39017), (12155, 17735)]