747071715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1259}}^1$

素因数の和:1476

約数の個数: 64

約数和(自身を含む): 1371686400

約数和(自身を除く): 624614685

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 179, 195, 221, 255, 537, 663, 895, 1105, 1259, 2327, 2685, 3043, 3315, 3777, 6295, 6981, 9129, 11635, 15215, 16367, 18885, 21403, 34905, 39559, 45645, 49101, 64209, 81835, 107015, 118677, 197795, 225361, 245505, 278239, 321045, 593385, 676083, 834717, 1126805, 1391195, 2929693, 3380415, 3831137, 4173585, 8789079, 11493411, 14648465, 19155685, 43945395, 49804781, 57467055, 149414343, 249023905, 747071715]

約数ペア:

[(1, 747071715), (3, 249023905), (5, 149414343), (13, 57467055), (15, 49804781), (17, 43945395), (39, 19155685), (51, 14648465), (65, 11493411), (85, 8789079), (179, 4173585), (195, 3831137), (221, 3380415), (255, 2929693), (537, 1391195), (663, 1126805), (895, 834717), (1105, 676083), (1259, 593385), (2327, 321045), (2685, 278239), (3043, 245505), (3315, 225361), (3777, 197795), (6295, 118677), (6981, 107015), (9129, 81835), (11635, 64209), (15215, 49101), (16367, 45645), (18885, 39559), (21403, 34905)]