86946770

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{463}}^1$

素因数の和:770

約数の個数: 32

約数和(自身を含む): 159356160

約数和(自身を除く): 72409390

約数列:

[1, 2, 5, 10, 89, 178, 211, 422, 445, 463, 890, 926, 1055, 2110, 2315, 4630, 18779, 37558, 41207, 82414, 93895, 97693, 187790, 195386, 206035, 412070, 488465, 976930, 8694677, 17389354, 43473385, 86946770]

約数ペア:

[(1, 86946770), (2, 43473385), (5, 17389354), (10, 8694677), (89, 976930), (178, 488465), (211, 412070), (422, 206035), (445, 195386), (463, 187790), (890, 97693), (926, 93895), (1055, 82414), (2110, 41207), (2315, 37558), (4630, 18779)]