81051796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1163}}^1$

素因数の和:1324

約数の個数: 48

約数和(自身を含む): 172085760

約数和(自身を除く): 91033964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 262, 266, 524, 532, 917, 1163, 1834, 2326, 2489, 3668, 4652, 4978, 8141, 9956, 16282, 17423, 22097, 32564, 34846, 44194, 69692, 88388, 152353, 154679, 304706, 309358, 609412, 618716, 1066471, 2132942, 2894707, 4265884, 5789414, 11578828, 20262949, 40525898, 81051796]

約数ペア:

[(1, 81051796), (2, 40525898), (4, 20262949), (7, 11578828), (14, 5789414), (19, 4265884), (28, 2894707), (38, 2132942), (76, 1066471), (131, 618716), (133, 609412), (262, 309358), (266, 304706), (524, 154679), (532, 152353), (917, 88388), (1163, 69692), (1834, 44194), (2326, 34846), (2489, 32564), (3668, 22097), (4652, 17423), (4978, 16282), (8141, 9956)]