1780818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 4126080

約数和(自身を除く): 2345262

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 79, 102, 158, 221, 237, 289, 442, 474, 578, 663, 867, 1027, 1326, 1343, 1734, 2054, 2686, 3081, 3757, 4029, 6162, 7514, 8058, 11271, 17459, 22542, 22831, 34918, 45662, 52377, 68493, 104754, 136986, 296803, 593606, 890409, 1780818]

約数ペア:

[(1, 1780818), (2, 890409), (3, 593606), (6, 296803), (13, 136986), (17, 104754), (26, 68493), (34, 52377), (39, 45662), (51, 34918), (78, 22831), (79, 22542), (102, 17459), (158, 11271), (221, 8058), (237, 7514), (289, 6162), (442, 4029), (474, 3757), (578, 3081), (663, 2686), (867, 2054), (1027, 1734), (1326, 1343)]