238766255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 64

約数和(自身を含む): 377395200

約数和(自身を除く): 138628945

約数列:

[1, 5, 7, 13, 19, 35, 65, 71, 91, 95, 133, 247, 355, 389, 455, 497, 665, 923, 1235, 1349, 1729, 1945, 2485, 2723, 4615, 5057, 6461, 6745, 7391, 8645, 9443, 13615, 17537, 25285, 27619, 32305, 35399, 36955, 47215, 51737, 87685, 96083, 122759, 138095, 176995, 193333, 258685, 359047, 480415, 524761, 613795, 672581, 966665, 1795235, 2513329, 2623805, 3362905, 3673327, 6821893, 12566645, 18366635, 34109465, 47753251, 238766255]

約数ペア:

[(1, 238766255), (5, 47753251), (7, 34109465), (13, 18366635), (19, 12566645), (35, 6821893), (65, 3673327), (71, 3362905), (91, 2623805), (95, 2513329), (133, 1795235), (247, 966665), (355, 672581), (389, 613795), (455, 524761), (497, 480415), (665, 359047), (923, 258685), (1235, 193333), (1349, 176995), (1729, 138095), (1945, 122759), (2485, 96083), (2723, 87685), (4615, 51737), (5057, 47215), (6461, 36955), (6745, 35399), (7391, 32305), (8645, 27619), (9443, 25285), (13615, 17537)]