208999836

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{2689}}^1$

素因数の和:2843

約数の個数: 72

約数和(自身を含む): 563996160

約数和(自身を除く): 354996324

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 127, 153, 204, 254, 306, 381, 508, 612, 762, 1143, 1524, 2159, 2286, 2689, 4318, 4572, 5378, 6477, 8067, 8636, 10756, 12954, 16134, 19431, 24201, 25908, 32268, 38862, 45713, 48402, 77724, 91426, 96804, 137139, 182852, 274278, 341503, 411417, 548556, 683006, 822834, 1024509, 1366012, 1645668, 2049018, 3073527, 4098036, 5805551, 6147054, 11611102, 12294108, 17416653, 23222204, 34833306, 52249959, 69666612, 104499918, 208999836]

約数ペア:

[(1, 208999836), (2, 104499918), (3, 69666612), (4, 52249959), (6, 34833306), (9, 23222204), (12, 17416653), (17, 12294108), (18, 11611102), (34, 6147054), (36, 5805551), (51, 4098036), (68, 3073527), (102, 2049018), (127, 1645668), (153, 1366012), (204, 1024509), (254, 822834), (306, 683006), (381, 548556), (508, 411417), (612, 341503), (762, 274278), (1143, 182852), (1524, 137139), (2159, 96804), (2286, 91426), (2689, 77724), (4318, 48402), (4572, 45713), (5378, 38862), (6477, 32268), (8067, 25908), (8636, 24201), (10756, 19431), (12954, 16134)]