388446505

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{257}}^1$

素因数の和:477

約数の個数: 32

約数和(自身を含む): 490740768

約数和(自身を除く): 102294263

約数列:

[1, 5, 41, 73, 101, 205, 257, 365, 505, 1285, 2993, 4141, 7373, 10537, 14965, 18761, 20705, 25957, 36865, 52685, 93805, 129785, 302293, 769201, 1064237, 1511465, 1894861, 3846005, 5321185, 9474305, 77689301, 388446505]

約数ペア:

[(1, 388446505), (5, 77689301), (41, 9474305), (73, 5321185), (101, 3846005), (205, 1894861), (257, 1511465), (365, 1064237), (505, 769201), (1285, 302293), (2993, 129785), (4141, 93805), (7373, 52685), (10537, 36865), (14965, 25957), (18761, 20705)]