28135068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^2$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 75590928

約数和(自身を除く): 47455860

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 103, 156, 204, 206, 221, 309, 412, 442, 618, 663, 884, 1236, 1326, 1339, 1751, 2652, 2678, 3502, 4017, 5253, 5356, 7004, 8034, 10506, 10609, 16068, 21012, 21218, 22763, 31827, 42436, 45526, 63654, 68289, 91052, 127308, 136578, 137917, 180353, 273156, 275834, 360706, 413751, 541059, 551668, 721412, 827502, 1082118, 1655004, 2164236, 2344589, 4689178, 7033767, 9378356, 14067534, 28135068]

約数ペア:

[(1, 28135068), (2, 14067534), (3, 9378356), (4, 7033767), (6, 4689178), (12, 2344589), (13, 2164236), (17, 1655004), (26, 1082118), (34, 827502), (39, 721412), (51, 551668), (52, 541059), (68, 413751), (78, 360706), (102, 275834), (103, 273156), (156, 180353), (204, 137917), (206, 136578), (221, 127308), (309, 91052), (412, 68289), (442, 63654), (618, 45526), (663, 42436), (884, 31827), (1236, 22763), (1326, 21218), (1339, 21012), (1751, 16068), (2652, 10609), (2678, 10506), (3502, 8034), (4017, 7004), (5253, 5356)]