81847690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 158441472

約数和(自身を除く): 76593782

約数列:

[1, 2, 5, 10, 17, 34, 85, 127, 170, 223, 254, 289, 446, 578, 635, 1115, 1270, 1445, 2159, 2230, 2890, 3791, 4318, 7582, 10795, 18955, 21590, 28321, 36703, 37910, 56642, 64447, 73406, 128894, 141605, 183515, 283210, 322235, 367030, 481457, 644470, 962914, 2407285, 4814570, 8184769, 16369538, 40923845, 81847690]

約数ペア:

[(1, 81847690), (2, 40923845), (5, 16369538), (10, 8184769), (17, 4814570), (34, 2407285), (85, 962914), (127, 644470), (170, 481457), (223, 367030), (254, 322235), (289, 283210), (446, 183515), (578, 141605), (635, 128894), (1115, 73406), (1270, 64447), (1445, 56642), (2159, 37910), (2230, 36703), (2890, 28321), (3791, 21590), (4318, 18955), (7582, 10795)]