208761644

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:475

約数の個数: 72

約数和(自身を含む): 456609888

約数和(自身を除く): 247848244

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 169, 182, 281, 314, 338, 364, 562, 628, 676, 1099, 1124, 1183, 1967, 2041, 2198, 2366, 3653, 3934, 4082, 4396, 4732, 7306, 7868, 8164, 14287, 14612, 25571, 26533, 28574, 44117, 47489, 51142, 53066, 57148, 88234, 94978, 102284, 106132, 176468, 185731, 189956, 308819, 332423, 371462, 573521, 617638, 664846, 742924, 1147042, 1235276, 1329692, 2294084, 4014647, 7455773, 8029294, 14911546, 16058588, 29823092, 52190411, 104380822, 208761644]

約数ペア:

[(1, 208761644), (2, 104380822), (4, 52190411), (7, 29823092), (13, 16058588), (14, 14911546), (26, 8029294), (28, 7455773), (52, 4014647), (91, 2294084), (157, 1329692), (169, 1235276), (182, 1147042), (281, 742924), (314, 664846), (338, 617638), (364, 573521), (562, 371462), (628, 332423), (676, 308819), (1099, 189956), (1124, 185731), (1183, 176468), (1967, 106132), (2041, 102284), (2198, 94978), (2366, 88234), (3653, 57148), (3934, 53066), (4082, 51142), (4396, 47489), (4732, 44117), (7306, 28574), (7868, 26533), (8164, 25571), (14287, 14612)]