491249085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2473}}^1$

素因数の和:2558

約数の個数: 64

約数和(自身を含む): 897765120

約数和(自身を除く): 406516035

約数列:

[1, 3, 5, 15, 17, 19, 41, 51, 57, 85, 95, 123, 205, 255, 285, 323, 615, 697, 779, 969, 1615, 2091, 2337, 2473, 3485, 3895, 4845, 7419, 10455, 11685, 12365, 13243, 37095, 39729, 42041, 46987, 66215, 101393, 126123, 140961, 198645, 210205, 234935, 304179, 506965, 630615, 704805, 798779, 1520895, 1723681, 1926467, 2396337, 3993895, 5171043, 5779401, 8618405, 9632335, 11981685, 25855215, 28897005, 32749939, 98249817, 163749695, 491249085]

約数ペア:

[(1, 491249085), (3, 163749695), (5, 98249817), (15, 32749939), (17, 28897005), (19, 25855215), (41, 11981685), (51, 9632335), (57, 8618405), (85, 5779401), (95, 5171043), (123, 3993895), (205, 2396337), (255, 1926467), (285, 1723681), (323, 1520895), (615, 798779), (697, 704805), (779, 630615), (969, 506965), (1615, 304179), (2091, 234935), (2337, 210205), (2473, 198645), (3485, 140961), (3895, 126123), (4845, 101393), (7419, 66215), (10455, 46987), (11685, 42041), (12365, 39729), (13243, 37095)]