71781616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{8513}}^1$

素因数の和:8569

約数の個数: 40

約数和(自身を含む): 152025984

約数和(自身を除く): 80244368

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 8513, 17026, 34052, 68104, 136208, 144721, 263903, 289442, 527806, 578884, 1055612, 1157768, 2111224, 2315536, 4222448, 4486351, 8972702, 17945404, 35890808, 71781616]

約数ペア:

[(1, 71781616), (2, 35890808), (4, 17945404), (8, 8972702), (16, 4486351), (17, 4222448), (31, 2315536), (34, 2111224), (62, 1157768), (68, 1055612), (124, 578884), (136, 527806), (248, 289442), (272, 263903), (496, 144721), (527, 136208), (1054, 68104), (2108, 34052), (4216, 17026), (8432, 8513)]