256827116

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{17209}}^1$

素因数の和:17274

約数の個数: 48

約数和(自身を含む): 566690880

約数和(自身を除く): 309863764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 17209, 34418, 68836, 120463, 223717, 240926, 447434, 481852, 705569, 894868, 1411138, 1566019, 2822276, 3132038, 4938983, 6264076, 9172397, 9877966, 18344794, 19755932, 36689588, 64206779, 128413558, 256827116]

約数ペア:

[(1, 256827116), (2, 128413558), (4, 64206779), (7, 36689588), (13, 19755932), (14, 18344794), (26, 9877966), (28, 9172397), (41, 6264076), (52, 4938983), (82, 3132038), (91, 2822276), (164, 1566019), (182, 1411138), (287, 894868), (364, 705569), (533, 481852), (574, 447434), (1066, 240926), (1148, 223717), (2132, 120463), (3731, 68836), (7462, 34418), (14924, 17209)]