291799404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{20113}}^1$

素因数の和:20167

約数の個数: 72

約数和(自身を含む): 820007552

約数和(自身を除く): 528208148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 20113, 40226, 60339, 80452, 120678, 181017, 241356, 261469, 362034, 522938, 623503, 724068, 784407, 1045876, 1247006, 1568814, 1870509, 2353221, 2494012, 3137628, 3741018, 4706442, 5611527, 7482036, 8105539, 9412884, 11223054, 16211078, 22446108, 24316617, 32422156, 48633234, 72949851, 97266468, 145899702, 291799404]

約数ペア:

[(1, 291799404), (2, 145899702), (3, 97266468), (4, 72949851), (6, 48633234), (9, 32422156), (12, 24316617), (13, 22446108), (18, 16211078), (26, 11223054), (31, 9412884), (36, 8105539), (39, 7482036), (52, 5611527), (62, 4706442), (78, 3741018), (93, 3137628), (117, 2494012), (124, 2353221), (156, 1870509), (186, 1568814), (234, 1247006), (279, 1045876), (372, 784407), (403, 724068), (468, 623503), (558, 522938), (806, 362034), (1116, 261469), (1209, 241356), (1612, 181017), (2418, 120678), (3627, 80452), (4836, 60339), (7254, 40226), (14508, 20113)]