131428548

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^2\times {\mathrm{3371}}^1$

素因数の和:3422

約数の個数: 72

約数和(自身を含む): 359724960

約数和(自身を除く): 228296412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 361, 513, 684, 722, 1026, 1083, 1444, 2052, 2166, 3249, 3371, 4332, 6498, 6742, 9747, 10113, 12996, 13484, 19494, 20226, 30339, 38988, 40452, 60678, 64049, 91017, 121356, 128098, 182034, 192147, 256196, 364068, 384294, 576441, 768588, 1152882, 1216931, 1729323, 2305764, 2433862, 3458646, 3650793, 4867724, 6917292, 7301586, 10952379, 14603172, 21904758, 32857137, 43809516, 65714274, 131428548]

約数ペア:

[(1, 131428548), (2, 65714274), (3, 43809516), (4, 32857137), (6, 21904758), (9, 14603172), (12, 10952379), (18, 7301586), (19, 6917292), (27, 4867724), (36, 3650793), (38, 3458646), (54, 2433862), (57, 2305764), (76, 1729323), (108, 1216931), (114, 1152882), (171, 768588), (228, 576441), (342, 384294), (361, 364068), (513, 256196), (684, 192147), (722, 182034), (1026, 128098), (1083, 121356), (1444, 91017), (2052, 64049), (2166, 60678), (3249, 40452), (3371, 38988), (4332, 30339), (6498, 20226), (6742, 19494), (9747, 13484), (10113, 12996)]