311284528

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1493}}^1$

素因数の和:1741

約数の個数: 40

約数和(自身を含む): 614679408

約数和(自身を除く): 303394880

約数列:

[1, 2, 4, 8, 16, 83, 157, 166, 314, 332, 628, 664, 1256, 1328, 1493, 2512, 2986, 5972, 11944, 13031, 23888, 26062, 52124, 104248, 123919, 208496, 234401, 247838, 468802, 495676, 937604, 991352, 1875208, 1982704, 3750416, 19455283, 38910566, 77821132, 155642264, 311284528]

約数ペア:

[(1, 311284528), (2, 155642264), (4, 77821132), (8, 38910566), (16, 19455283), (83, 3750416), (157, 1982704), (166, 1875208), (314, 991352), (332, 937604), (628, 495676), (664, 468802), (1256, 247838), (1328, 234401), (1493, 208496), (2512, 123919), (2986, 104248), (5972, 52124), (11944, 26062), (13031, 23888)]