71379028

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 153601280

約数和(自身を除く): 82222252

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 61, 79, 92, 122, 158, 161, 244, 316, 322, 427, 529, 553, 644, 854, 1058, 1106, 1403, 1708, 1817, 2116, 2212, 2806, 3634, 3703, 4819, 5612, 7268, 7406, 9638, 9821, 12719, 14812, 19276, 19642, 25438, 32269, 33733, 39284, 41791, 50876, 64538, 67466, 83582, 110837, 129076, 134932, 167164, 221674, 225883, 292537, 443348, 451766, 585074, 775859, 903532, 1170148, 1551718, 2549251, 3103436, 5098502, 10197004, 17844757, 35689514, 71379028]

約数ペア:

[(1, 71379028), (2, 35689514), (4, 17844757), (7, 10197004), (14, 5098502), (23, 3103436), (28, 2549251), (46, 1551718), (61, 1170148), (79, 903532), (92, 775859), (122, 585074), (158, 451766), (161, 443348), (244, 292537), (316, 225883), (322, 221674), (427, 167164), (529, 134932), (553, 129076), (644, 110837), (854, 83582), (1058, 67466), (1106, 64538), (1403, 50876), (1708, 41791), (1817, 39284), (2116, 33733), (2212, 32269), (2806, 25438), (3634, 19642), (3703, 19276), (4819, 14812), (5612, 12719), (7268, 9821), (7406, 9638)]