77881115

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 108148608

約数和(自身を除く): 30267493

約数列:

[1, 5, 13, 37, 47, 53, 65, 169, 185, 235, 265, 481, 611, 689, 845, 1739, 1961, 2405, 2491, 3055, 3445, 6253, 7943, 8695, 8957, 9805, 12455, 22607, 25493, 31265, 32383, 39715, 44785, 92167, 113035, 127465, 161915, 293891, 331409, 420979, 460835, 1198171, 1469455, 1657045, 2104895, 5990855, 15576223, 77881115]

約数ペア:

[(1, 77881115), (5, 15576223), (13, 5990855), (37, 2104895), (47, 1657045), (53, 1469455), (65, 1198171), (169, 460835), (185, 420979), (235, 331409), (265, 293891), (481, 161915), (611, 127465), (689, 113035), (845, 92167), (1739, 44785), (1961, 39715), (2405, 32383), (2491, 31265), (3055, 25493), (3445, 22607), (6253, 12455), (7943, 9805), (8695, 8957)]