161393456

素因数分解:

$2^4\times 7^2\times {\mathrm{139}}^1\times {\mathrm{1481}}^1$

素因数の和:1642

約数の個数: 60

約数和(自身を含む): 366617160

約数和(自身を除く): 205223704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 139, 196, 278, 392, 556, 784, 973, 1112, 1481, 1946, 2224, 2962, 3892, 5924, 6811, 7784, 10367, 11848, 13622, 15568, 20734, 23696, 27244, 41468, 54488, 72569, 82936, 108976, 145138, 165872, 205859, 290276, 411718, 580552, 823436, 1161104, 1441013, 1646872, 2882026, 3293744, 5764052, 10087091, 11528104, 20174182, 23056208, 40348364, 80696728, 161393456]

約数ペア:

[(1, 161393456), (2, 80696728), (4, 40348364), (7, 23056208), (8, 20174182), (14, 11528104), (16, 10087091), (28, 5764052), (49, 3293744), (56, 2882026), (98, 1646872), (112, 1441013), (139, 1161104), (196, 823436), (278, 580552), (392, 411718), (556, 290276), (784, 205859), (973, 165872), (1112, 145138), (1481, 108976), (1946, 82936), (2224, 72569), (2962, 54488), (3892, 41468), (5924, 27244), (6811, 23696), (7784, 20734), (10367, 15568), (11848, 13622)]