28922425

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 43747200

約数和(自身を除く): 14824775

約数列:

[1, 5, 7, 25, 29, 35, 41, 139, 145, 175, 203, 205, 287, 695, 725, 973, 1015, 1025, 1189, 1435, 3475, 4031, 4865, 5075, 5699, 5945, 7175, 8323, 20155, 24325, 28217, 28495, 29725, 39893, 41615, 100775, 141085, 142475, 165271, 199465, 208075, 705425, 826355, 997325, 1156897, 4131775, 5784485, 28922425]

約数ペア:

[(1, 28922425), (5, 5784485), (7, 4131775), (25, 1156897), (29, 997325), (35, 826355), (41, 705425), (139, 208075), (145, 199465), (175, 165271), (203, 142475), (205, 141085), (287, 100775), (695, 41615), (725, 39893), (973, 29725), (1015, 28495), (1025, 28217), (1189, 24325), (1435, 20155), (3475, 8323), (4031, 7175), (4865, 5945), (5075, 5699)]