87966710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7603}}^1$

素因数の和:7712

約数の個数: 32

約数和(自身を含む): 172458720

約数和(自身を除く): 84492010

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7603, 11570, 15206, 38015, 76030, 98839, 197678, 494195, 676667, 988390, 1353334, 3383335, 6766670, 8796671, 17593342, 43983355, 87966710]

約数ペア:

[(1, 87966710), (2, 43983355), (5, 17593342), (10, 8796671), (13, 6766670), (26, 3383335), (65, 1353334), (89, 988390), (130, 676667), (178, 494195), (445, 197678), (890, 98839), (1157, 76030), (2314, 38015), (5785, 15206), (7603, 11570)]