86855990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{7507}}^1$

素因数の和:7616

約数の個数: 32

約数和(自身を含む): 170281440

約数和(自身を除く): 83425450

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 7507, 11570, 15014, 37535, 75070, 97591, 195182, 487955, 668123, 975910, 1336246, 3340615, 6681230, 8685599, 17371198, 43427995, 86855990]

約数ペア:

[(1, 86855990), (2, 43427995), (5, 17371198), (10, 8685599), (13, 6681230), (26, 3340615), (65, 1336246), (89, 975910), (130, 668123), (178, 487955), (445, 195182), (890, 97591), (1157, 75070), (2314, 37535), (5785, 15014), (7507, 11570)]