128417575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2113}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 198174816

約数和(自身を除く): 69757241

約数列:

[1, 5, 11, 13, 17, 25, 55, 65, 85, 143, 187, 221, 275, 325, 425, 715, 935, 1105, 2113, 2431, 3575, 4675, 5525, 10565, 12155, 23243, 27469, 35921, 52825, 60775, 116215, 137345, 179605, 302159, 395131, 466973, 581075, 686725, 898025, 1510795, 1975655, 2334865, 5136703, 7553975, 9878275, 11674325, 25683515, 128417575]

約数ペア:

[(1, 128417575), (5, 25683515), (11, 11674325), (13, 9878275), (17, 7553975), (25, 5136703), (55, 2334865), (65, 1975655), (85, 1510795), (143, 898025), (187, 686725), (221, 581075), (275, 466973), (325, 395131), (425, 302159), (715, 179605), (935, 137345), (1105, 116215), (2113, 60775), (2431, 52825), (3575, 35921), (4675, 27469), (5525, 23243), (10565, 12155)]