82216225

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 127491840

約数和(自身を除く): 45275615

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 175, 325, 355, 455, 497, 509, 923, 1775, 2275, 2485, 2545, 3563, 4615, 6461, 6617, 12425, 12725, 17815, 23075, 32305, 33085, 36139, 46319, 89075, 161525, 165425, 180695, 231595, 252973, 469807, 903475, 1157975, 1264865, 2349035, 3288649, 6324325, 11745175, 16443245, 82216225]

約数ペア:

[(1, 82216225), (5, 16443245), (7, 11745175), (13, 6324325), (25, 3288649), (35, 2349035), (65, 1264865), (71, 1157975), (91, 903475), (175, 469807), (325, 252973), (355, 231595), (455, 180695), (497, 165425), (509, 161525), (923, 89075), (1775, 46319), (2275, 36139), (2485, 33085), (2545, 32305), (3563, 23075), (4615, 17815), (6461, 12725), (6617, 12425)]