1285996855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{523}}^1$

素因数の和:752

約数の個数: 64

約数和(自身を含む): 1922618880

約数和(自身を除く): 636622025

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 181, 209, 247, 523, 715, 905, 1045, 1235, 1991, 2353, 2615, 2717, 3439, 5753, 6799, 9937, 9955, 11765, 13585, 17195, 25883, 28765, 33995, 37829, 44707, 49685, 74789, 94663, 109307, 129181, 129415, 189145, 223535, 373945, 473315, 491777, 546535, 645905, 1041293, 1230619, 1420991, 1798597, 2458885, 5206465, 6153095, 7104955, 8992985, 13536809, 19784567, 23381761, 67684045, 98922835, 116908805, 257199371, 1285996855]

約数ペア:

[(1, 1285996855), (5, 257199371), (11, 116908805), (13, 98922835), (19, 67684045), (55, 23381761), (65, 19784567), (95, 13536809), (143, 8992985), (181, 7104955), (209, 6153095), (247, 5206465), (523, 2458885), (715, 1798597), (905, 1420991), (1045, 1230619), (1235, 1041293), (1991, 645905), (2353, 546535), (2615, 491777), (2717, 473315), (3439, 373945), (5753, 223535), (6799, 189145), (9937, 129415), (9955, 129181), (11765, 109307), (13585, 94663), (17195, 74789), (25883, 49685), (28765, 44707), (33995, 37829)]