728291215

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{967}}^1$

素因数の和:1159

約数の個数: 32

約数和(自身を含む): 932253696

約数和(自身を除く): 203962481

約数列:

[1, 5, 31, 43, 113, 155, 215, 565, 967, 1333, 3503, 4835, 4859, 6665, 17515, 24295, 29977, 41581, 109271, 149885, 150629, 207905, 546355, 753145, 1289011, 3387401, 4698653, 6445055, 16937005, 23493265, 145658243, 728291215]

約数ペア:

[(1, 728291215), (5, 145658243), (31, 23493265), (43, 16937005), (113, 6445055), (155, 4698653), (215, 3387401), (565, 1289011), (967, 753145), (1333, 546355), (3503, 207905), (4835, 150629), (4859, 149885), (6665, 109271), (17515, 41581), (24295, 29977)]