87877075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:604

約数の個数: 48

約数和(自身を含む): 130991616

約数和(自身を除く): 43114541

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 143, 235, 275, 325, 517, 523, 611, 715, 1175, 2585, 2615, 3055, 3575, 5753, 6721, 6799, 12925, 13075, 15275, 24581, 28765, 33605, 33995, 74789, 122905, 143825, 168025, 169975, 270391, 319553, 373945, 614525, 1351955, 1597765, 1869725, 3515083, 6759775, 7988825, 17575415, 87877075]

約数ペア:

[(1, 87877075), (5, 17575415), (11, 7988825), (13, 6759775), (25, 3515083), (47, 1869725), (55, 1597765), (65, 1351955), (143, 614525), (235, 373945), (275, 319553), (325, 270391), (517, 169975), (523, 168025), (611, 143825), (715, 122905), (1175, 74789), (2585, 33995), (2615, 33605), (3055, 28765), (3575, 24581), (5753, 15275), (6721, 13075), (6799, 12925)]