17927455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 28026432

約数和(自身を除く): 10098977

約数列:

[1, 5, 7, 13, 31, 35, 41, 65, 91, 155, 205, 217, 287, 403, 455, 533, 961, 1085, 1271, 1435, 2015, 2665, 2821, 3731, 4805, 6355, 6727, 8897, 12493, 14105, 16523, 18655, 33635, 39401, 44485, 62465, 82615, 87451, 115661, 197005, 275807, 437255, 512213, 578305, 1379035, 2561065, 3585491, 17927455]

約数ペア:

[(1, 17927455), (5, 3585491), (7, 2561065), (13, 1379035), (31, 578305), (35, 512213), (41, 437255), (65, 275807), (91, 197005), (155, 115661), (205, 87451), (217, 82615), (287, 62465), (403, 44485), (455, 39401), (533, 33635), (961, 18655), (1085, 16523), (1271, 14105), (1435, 12493), (2015, 8897), (2665, 6727), (2821, 6355), (3731, 4805)]