873203485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:646

約数の個数: 64

約数和(自身を含む): 1361733120

約数和(自身を除く): 488529635

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 197, 203, 319, 385, 397, 985, 1015, 1379, 1595, 1985, 2167, 2233, 2779, 4367, 5713, 6895, 10835, 11165, 11513, 13895, 15169, 21835, 28565, 30569, 39991, 57565, 62843, 75845, 78209, 80591, 126643, 152845, 199955, 314215, 391045, 402955, 439901, 547463, 633215, 860299, 886501, 2199505, 2268061, 2737315, 4301495, 4432505, 6022093, 11340305, 15876427, 24948671, 30110465, 79382135, 124743355, 174640697, 873203485]

約数ペア:

[(1, 873203485), (5, 174640697), (7, 124743355), (11, 79382135), (29, 30110465), (35, 24948671), (55, 15876427), (77, 11340305), (145, 6022093), (197, 4432505), (203, 4301495), (319, 2737315), (385, 2268061), (397, 2199505), (985, 886501), (1015, 860299), (1379, 633215), (1595, 547463), (1985, 439901), (2167, 402955), (2233, 391045), (2779, 314215), (4367, 199955), (5713, 152845), (6895, 126643), (10835, 80591), (11165, 78209), (11513, 75845), (13895, 62843), (15169, 57565), (21835, 39991), (28565, 30569)]