15856984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 19705256

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 83, 88, 104, 143, 166, 167, 286, 332, 334, 572, 664, 668, 913, 1079, 1144, 1336, 1826, 1837, 2158, 2171, 3652, 3674, 4316, 4342, 7304, 7348, 8632, 8684, 11869, 13861, 14696, 17368, 23738, 23881, 27722, 47476, 47762, 55444, 94952, 95524, 110888, 152471, 180193, 191048, 304942, 360386, 609884, 720772, 1219768, 1441544, 1982123, 3964246, 7928492, 15856984]

約数ペア:

[(1, 15856984), (2, 7928492), (4, 3964246), (8, 1982123), (11, 1441544), (13, 1219768), (22, 720772), (26, 609884), (44, 360386), (52, 304942), (83, 191048), (88, 180193), (104, 152471), (143, 110888), (166, 95524), (167, 94952), (286, 55444), (332, 47762), (334, 47476), (572, 27722), (664, 23881), (668, 23738), (913, 17368), (1079, 14696), (1144, 13861), (1336, 11869), (1826, 8684), (1837, 8632), (2158, 7348), (2171, 7304), (3652, 4342), (3674, 4316)]