31481848

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 63506520

約数和(自身を除く): 32024672

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 173, 184, 344, 346, 529, 692, 989, 1058, 1384, 1978, 2116, 3956, 3979, 4232, 7439, 7912, 7958, 14878, 15916, 22747, 29756, 31832, 45494, 59512, 90988, 91517, 171097, 181976, 183034, 342194, 366068, 684388, 732136, 1368776, 3935231, 7870462, 15740924, 31481848]

約数ペア:

[(1, 31481848), (2, 15740924), (4, 7870462), (8, 3935231), (23, 1368776), (43, 732136), (46, 684388), (86, 366068), (92, 342194), (172, 183034), (173, 181976), (184, 171097), (344, 91517), (346, 90988), (529, 59512), (692, 45494), (989, 31832), (1058, 29756), (1384, 22747), (1978, 15916), (2116, 14878), (3956, 7958), (3979, 7912), (4232, 7439)]