394163679

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{49787}}^1$

素因数の和:49839

約数の個数: 32

約数和(自身を含む): 669150720

約数和(自身を除く): 274987041

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 49787, 149361, 348509, 647231, 1045527, 1443823, 1941693, 4331469, 4530617, 10106761, 13591851, 18769699, 30320283, 56309097, 131387893, 394163679]

約数ペア:

[(1, 394163679), (3, 131387893), (7, 56309097), (13, 30320283), (21, 18769699), (29, 13591851), (39, 10106761), (87, 4530617), (91, 4331469), (203, 1941693), (273, 1443823), (377, 1045527), (609, 647231), (1131, 348509), (2639, 149361), (7917, 49787)]