64925565

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 115568640

約数和(自身を除く): 50643075

約数列:

[1, 3, 5, 15, 19, 37, 47, 57, 95, 111, 131, 141, 185, 235, 285, 393, 555, 655, 703, 705, 893, 1739, 1965, 2109, 2489, 2679, 3515, 4465, 4847, 5217, 6157, 7467, 8695, 10545, 12445, 13395, 14541, 18471, 24235, 26085, 30785, 33041, 37335, 72705, 92093, 92355, 99123, 116983, 165205, 227809, 276279, 350949, 460465, 495615, 584915, 683427, 1139045, 1381395, 1754745, 3417135, 4328371, 12985113, 21641855, 64925565]

約数ペア:

[(1, 64925565), (3, 21641855), (5, 12985113), (15, 4328371), (19, 3417135), (37, 1754745), (47, 1381395), (57, 1139045), (95, 683427), (111, 584915), (131, 495615), (141, 460465), (185, 350949), (235, 276279), (285, 227809), (393, 165205), (555, 116983), (655, 99123), (703, 92355), (705, 92093), (893, 72705), (1739, 37335), (1965, 33041), (2109, 30785), (2489, 26085), (2679, 24235), (3515, 18471), (4465, 14541), (4847, 13395), (5217, 12445), (6157, 10545), (7467, 8695)]