551944775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 750963840

約数和(自身を除く): 199019065

約数列:

[1, 5, 19, 25, 43, 61, 95, 215, 305, 443, 475, 817, 1075, 1159, 1525, 2215, 2623, 4085, 5795, 8417, 11075, 13115, 19049, 20425, 27023, 28975, 42085, 49837, 65575, 95245, 135115, 210425, 249185, 361931, 476225, 513437, 675575, 1161989, 1245925, 1809655, 2567185, 5809945, 9048275, 12835925, 22077791, 29049725, 110388955, 551944775]

約数ペア:

[(1, 551944775), (5, 110388955), (19, 29049725), (25, 22077791), (43, 12835925), (61, 9048275), (95, 5809945), (215, 2567185), (305, 1809655), (443, 1245925), (475, 1161989), (817, 675575), (1075, 513437), (1159, 476225), (1525, 361931), (2215, 249185), (2623, 210425), (4085, 135115), (5795, 95245), (8417, 65575), (11075, 49837), (13115, 42085), (19049, 28975), (20425, 27023)]