1261272152

素因数分解:

$2^3\times 7^2\times {\mathrm{647}}^1\times {\mathrm{4973}}^1$

素因数の和:5640

約数の個数: 48

約数和(自身を含む): 2755794960

約数和(自身を除く): 1494522808

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 647, 1294, 2588, 4529, 4973, 5176, 9058, 9946, 18116, 19892, 31703, 34811, 36232, 39784, 63406, 69622, 126812, 139244, 243677, 253624, 278488, 487354, 974708, 1949416, 3217531, 6435062, 12870124, 22522717, 25740248, 45045434, 90090868, 157659019, 180181736, 315318038, 630636076, 1261272152]

約数ペア:

[(1, 1261272152), (2, 630636076), (4, 315318038), (7, 180181736), (8, 157659019), (14, 90090868), (28, 45045434), (49, 25740248), (56, 22522717), (98, 12870124), (196, 6435062), (392, 3217531), (647, 1949416), (1294, 974708), (2588, 487354), (4529, 278488), (4973, 253624), (5176, 243677), (9058, 139244), (9946, 126812), (18116, 69622), (19892, 63406), (31703, 39784), (34811, 36232)]