257642476

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{7297}}^1$

素因数の和:7418

約数の個数: 48

約数和(自身を含む): 560719936

約数和(自身を除く): 303077460

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 97, 182, 194, 364, 388, 679, 1261, 1358, 2522, 2716, 5044, 7297, 8827, 14594, 17654, 29188, 35308, 51079, 94861, 102158, 189722, 204316, 379444, 664027, 707809, 1328054, 1415618, 2656108, 2831236, 4954663, 9201517, 9909326, 18403034, 19818652, 36806068, 64410619, 128821238, 257642476]

約数ペア:

[(1, 257642476), (2, 128821238), (4, 64410619), (7, 36806068), (13, 19818652), (14, 18403034), (26, 9909326), (28, 9201517), (52, 4954663), (91, 2831236), (97, 2656108), (182, 1415618), (194, 1328054), (364, 707809), (388, 664027), (679, 379444), (1261, 204316), (1358, 189722), (2522, 102158), (2716, 94861), (5044, 51079), (7297, 35308), (8827, 29188), (14594, 17654)]