64220494

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1831}}^1$

素因数の和:1936

約数の個数: 32

約数和(自身を含む): 110799360

約数和(自身を除く): 46578866

約数列:

[1, 2, 13, 19, 26, 38, 71, 142, 247, 494, 923, 1349, 1831, 1846, 2698, 3662, 17537, 23803, 34789, 35074, 47606, 69578, 130001, 260002, 452257, 904514, 1690013, 2470019, 3380026, 4940038, 32110247, 64220494]

約数ペア:

[(1, 64220494), (2, 32110247), (13, 4940038), (19, 3380026), (26, 2470019), (38, 1690013), (71, 904514), (142, 452257), (247, 260002), (494, 130001), (923, 69578), (1349, 47606), (1831, 35074), (1846, 34789), (2698, 23803), (3662, 17537)]