77902825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 131144384

約数和(自身を除く): 53241559

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 121, 143, 175, 275, 283, 325, 385, 455, 605, 715, 847, 1001, 1415, 1573, 1925, 1981, 2275, 3025, 3113, 3575, 3679, 4235, 5005, 7075, 7865, 9905, 11011, 15565, 18395, 21175, 21791, 25025, 25753, 34243, 39325, 40469, 49525, 55055, 77825, 91975, 108955, 128765, 171215, 202345, 239701, 275275, 283283, 445159, 544775, 643825, 856075, 1011725, 1198505, 1416415, 2225795, 3116113, 5992525, 7082075, 11128975, 15580565, 77902825]

約数ペア:

[(1, 77902825), (5, 15580565), (7, 11128975), (11, 7082075), (13, 5992525), (25, 3116113), (35, 2225795), (55, 1416415), (65, 1198505), (77, 1011725), (91, 856075), (121, 643825), (143, 544775), (175, 445159), (275, 283283), (283, 275275), (325, 239701), (385, 202345), (455, 171215), (605, 128765), (715, 108955), (847, 91975), (1001, 77825), (1415, 55055), (1573, 49525), (1925, 40469), (1981, 39325), (2275, 34243), (3025, 25753), (3113, 25025), (3575, 21791), (3679, 21175), (4235, 18395), (5005, 15565), (7075, 11011), (7865, 9905)]