220863832

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{25121}}^1$

素因数の和:25291

約数の個数: 32

約数和(自身を含む): 476313120

約数和(自身を除く): 255449288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 25121, 50242, 100484, 175847, 200968, 351694, 703388, 1406776, 3943997, 7887994, 15775988, 27607979, 31551976, 55215958, 110431916, 220863832]

約数ペア:

[(1, 220863832), (2, 110431916), (4, 55215958), (7, 31551976), (8, 27607979), (14, 15775988), (28, 7887994), (56, 3943997), (157, 1406776), (314, 703388), (628, 351694), (1099, 200968), (1256, 175847), (2198, 100484), (4396, 50242), (8792, 25121)]