68477368

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 137297160

約数和(自身を除く): 68819792

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 181, 262, 361, 362, 524, 722, 724, 1048, 1444, 1448, 2489, 2888, 3439, 4978, 6878, 9956, 13756, 19912, 23711, 27512, 47291, 47422, 65341, 94582, 94844, 130682, 189164, 189688, 261364, 378328, 450509, 522728, 901018, 1802036, 3604072, 8559671, 17119342, 34238684, 68477368]

約数ペア:

[(1, 68477368), (2, 34238684), (4, 17119342), (8, 8559671), (19, 3604072), (38, 1802036), (76, 901018), (131, 522728), (152, 450509), (181, 378328), (262, 261364), (361, 189688), (362, 189164), (524, 130682), (722, 94844), (724, 94582), (1048, 65341), (1444, 47422), (1448, 47291), (2489, 27512), (2888, 23711), (3439, 19912), (4978, 13756), (6878, 9956)]