78932384

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{659}}^1$

素因数の和:885

約数の個数: 48

約数和(自身を含む): 164656800

約数和(自身を除く): 85724416

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 197, 304, 394, 608, 659, 788, 1318, 1576, 2636, 3152, 3743, 5272, 6304, 7486, 10544, 12521, 14972, 21088, 25042, 29944, 50084, 59888, 100168, 119776, 129823, 200336, 259646, 400672, 519292, 1038584, 2077168, 2466637, 4154336, 4933274, 9866548, 19733096, 39466192, 78932384]

約数ペア:

[(1, 78932384), (2, 39466192), (4, 19733096), (8, 9866548), (16, 4933274), (19, 4154336), (32, 2466637), (38, 2077168), (76, 1038584), (152, 519292), (197, 400672), (304, 259646), (394, 200336), (608, 129823), (659, 119776), (788, 100168), (1318, 59888), (1576, 50084), (2636, 29944), (3152, 25042), (3743, 21088), (5272, 14972), (6304, 12521), (7486, 10544)]