53049425

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 83119680

約数和(自身を除く): 30070255

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 71, 95, 121, 143, 209, 247, 275, 325, 355, 475, 605, 715, 781, 923, 1045, 1235, 1349, 1573, 1775, 2299, 2717, 3025, 3575, 3905, 4615, 5225, 6175, 6745, 7865, 8591, 10153, 11495, 13585, 14839, 17537, 19525, 23075, 29887, 33725, 39325, 42955, 50765, 57475, 67925, 74195, 87685, 111683, 149435, 163229, 192907, 214775, 253825, 370975, 438425, 558415, 747175, 816145, 964535, 2121977, 2792075, 4080725, 4822675, 10609885, 53049425]

約数ペア:

[(1, 53049425), (5, 10609885), (11, 4822675), (13, 4080725), (19, 2792075), (25, 2121977), (55, 964535), (65, 816145), (71, 747175), (95, 558415), (121, 438425), (143, 370975), (209, 253825), (247, 214775), (275, 192907), (325, 163229), (355, 149435), (475, 111683), (605, 87685), (715, 74195), (781, 67925), (923, 57475), (1045, 50765), (1235, 42955), (1349, 39325), (1573, 33725), (1775, 29887), (2299, 23075), (2717, 19525), (3025, 17537), (3575, 14839), (3905, 13585), (4615, 11495), (5225, 10153), (6175, 8591), (6745, 7865)]