31154305

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 48487680

約数和(自身を除く): 17333375

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 169, 229, 299, 455, 805, 845, 1145, 1183, 1495, 1603, 2093, 2977, 3887, 5267, 5915, 8015, 10465, 14885, 19435, 20839, 26335, 27209, 36869, 38701, 68471, 104195, 136045, 184345, 193505, 270907, 342355, 479297, 890123, 1354535, 2396485, 4450615, 6230861, 31154305]

約数ペア:

[(1, 31154305), (5, 6230861), (7, 4450615), (13, 2396485), (23, 1354535), (35, 890123), (65, 479297), (91, 342355), (115, 270907), (161, 193505), (169, 184345), (229, 136045), (299, 104195), (455, 68471), (805, 38701), (845, 36869), (1145, 27209), (1183, 26335), (1495, 20839), (1603, 19435), (2093, 14885), (2977, 10465), (3887, 8015), (5267, 5915)]