66488955

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:716

約数の個数: 64

約数和(自身を含む): 125411328

約数和(自身を除く): 58922373

約数列:

[1, 3, 5, 13, 15, 17, 31, 39, 51, 65, 85, 93, 155, 195, 221, 255, 403, 465, 527, 647, 663, 1105, 1209, 1581, 1941, 2015, 2635, 3235, 3315, 6045, 6851, 7905, 8411, 9705, 10999, 20057, 20553, 25233, 32997, 34255, 42055, 54995, 60171, 100285, 102765, 126165, 142987, 164985, 260741, 300855, 340969, 428961, 714935, 782223, 1022907, 1303705, 1704845, 2144805, 3911115, 4432597, 5114535, 13297791, 22162985, 66488955]

約数ペア:

[(1, 66488955), (3, 22162985), (5, 13297791), (13, 5114535), (15, 4432597), (17, 3911115), (31, 2144805), (39, 1704845), (51, 1303705), (65, 1022907), (85, 782223), (93, 714935), (155, 428961), (195, 340969), (221, 300855), (255, 260741), (403, 164985), (465, 142987), (527, 126165), (647, 102765), (663, 100285), (1105, 60171), (1209, 54995), (1581, 42055), (1941, 34255), (2015, 32997), (2635, 25233), (3235, 20553), (3315, 20057), (6045, 10999), (6851, 9705), (7905, 8411)]