78870438

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 175546800

約数和(自身を除く): 96676362

約数列:

[1, 2, 3, 6, 9, 18, 61, 109, 122, 183, 218, 327, 366, 549, 654, 659, 981, 1098, 1318, 1962, 1977, 3954, 5931, 6649, 11862, 13298, 19947, 39894, 40199, 59841, 71831, 80398, 119682, 120597, 143662, 215493, 241194, 361791, 430986, 646479, 723582, 1292958, 4381691, 8763382, 13145073, 26290146, 39435219, 78870438]

約数ペア:

[(1, 78870438), (2, 39435219), (3, 26290146), (6, 13145073), (9, 8763382), (18, 4381691), (61, 1292958), (109, 723582), (122, 646479), (183, 430986), (218, 361791), (327, 241194), (366, 215493), (549, 143662), (654, 120597), (659, 119682), (981, 80398), (1098, 71831), (1318, 59841), (1962, 40199), (1977, 39894), (3954, 19947), (5931, 13298), (6649, 11862)]