25608765

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 51319296

約数和(自身を除く): 25710531

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 73, 91, 105, 195, 219, 257, 273, 365, 455, 511, 771, 949, 1095, 1285, 1365, 1533, 1799, 2555, 2847, 3341, 3855, 4745, 5397, 6643, 7665, 8995, 10023, 14235, 16705, 18761, 19929, 23387, 26985, 33215, 50115, 56283, 70161, 93805, 99645, 116935, 131327, 243893, 281415, 350805, 393981, 656635, 731679, 1219465, 1707251, 1969905, 3658395, 5121753, 8536255, 25608765]

約数ペア:

[(1, 25608765), (3, 8536255), (5, 5121753), (7, 3658395), (13, 1969905), (15, 1707251), (21, 1219465), (35, 731679), (39, 656635), (65, 393981), (73, 350805), (91, 281415), (105, 243893), (195, 131327), (219, 116935), (257, 99645), (273, 93805), (365, 70161), (455, 56283), (511, 50115), (771, 33215), (949, 26985), (1095, 23387), (1285, 19929), (1365, 18761), (1533, 16705), (1799, 14235), (2555, 10023), (2847, 8995), (3341, 7665), (3855, 6643), (4745, 5397)]