181286512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 399974400

約数和(自身を除く): 218687888

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 149, 176, 223, 248, 298, 341, 446, 496, 596, 682, 892, 1192, 1364, 1639, 1784, 2384, 2453, 2728, 3278, 3568, 4619, 4906, 5456, 6556, 6913, 9238, 9812, 13112, 13826, 18476, 19624, 26224, 27652, 33227, 36952, 39248, 50809, 55304, 66454, 73904, 76043, 101618, 110608, 132908, 152086, 203236, 265816, 304172, 365497, 406472, 531632, 608344, 730994, 812944, 1030037, 1216688, 1461988, 2060074, 2923976, 4120148, 5847952, 8240296, 11330407, 16480592, 22660814, 45321628, 90643256, 181286512]

約数ペア:

[(1, 181286512), (2, 90643256), (4, 45321628), (8, 22660814), (11, 16480592), (16, 11330407), (22, 8240296), (31, 5847952), (44, 4120148), (62, 2923976), (88, 2060074), (124, 1461988), (149, 1216688), (176, 1030037), (223, 812944), (248, 730994), (298, 608344), (341, 531632), (446, 406472), (496, 365497), (596, 304172), (682, 265816), (892, 203236), (1192, 152086), (1364, 132908), (1639, 110608), (1784, 101618), (2384, 76043), (2453, 73904), (2728, 66454), (3278, 55304), (3568, 50809), (4619, 39248), (4906, 36952), (5456, 33227), (6556, 27652), (6913, 26224), (9238, 19624), (9812, 18476), (13112, 13826)]