47523775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 67495680

約数和(自身を除く): 19971905

約数列:

[1, 5, 13, 25, 31, 53, 65, 89, 155, 265, 325, 403, 445, 689, 775, 1157, 1325, 1643, 2015, 2225, 2759, 3445, 4717, 5785, 8215, 10075, 13795, 17225, 21359, 23585, 28925, 35867, 41075, 61321, 68975, 106795, 117925, 146227, 179335, 306605, 533975, 731135, 896675, 1533025, 1900951, 3655675, 9504755, 47523775]

約数ペア:

[(1, 47523775), (5, 9504755), (13, 3655675), (25, 1900951), (31, 1533025), (53, 896675), (65, 731135), (89, 533975), (155, 306605), (265, 179335), (325, 146227), (403, 117925), (445, 106795), (689, 68975), (775, 61321), (1157, 41075), (1325, 35867), (1643, 28925), (2015, 23585), (2225, 21359), (2759, 17225), (3445, 13795), (4717, 10075), (5785, 8215)]