81078095

素因数分解:

$5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 118195200

約数和(自身を除く): 37117105

約数列:

[1, 5, 7, 35, 49, 59, 71, 79, 245, 295, 355, 395, 413, 497, 553, 2065, 2485, 2765, 2891, 3479, 3871, 4189, 4661, 5609, 14455, 17395, 19355, 20945, 23305, 28045, 29323, 32627, 39263, 146615, 163135, 196315, 205261, 228389, 274841, 330931, 1026305, 1141945, 1374205, 1654655, 2316517, 11582585, 16215619, 81078095]

約数ペア:

[(1, 81078095), (5, 16215619), (7, 11582585), (35, 2316517), (49, 1654655), (59, 1374205), (71, 1141945), (79, 1026305), (245, 330931), (295, 274841), (355, 228389), (395, 205261), (413, 196315), (497, 163135), (553, 146615), (2065, 39263), (2485, 32627), (2765, 29323), (2891, 28045), (3479, 23305), (3871, 20945), (4189, 19355), (4661, 17395), (5609, 14455)]