81313024

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 178477992

約数和(自身を除く): 97164968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 64, 104, 106, 128, 208, 212, 256, 416, 424, 461, 689, 832, 848, 922, 1378, 1664, 1696, 1844, 2756, 3328, 3392, 3688, 5512, 5993, 6784, 7376, 11024, 11986, 13568, 14752, 22048, 23972, 24433, 29504, 44096, 47944, 48866, 59008, 88192, 95888, 97732, 118016, 176384, 191776, 195464, 317629, 383552, 390928, 635258, 767104, 781856, 1270516, 1534208, 1563712, 2541032, 3127424, 5082064, 6254848, 10164128, 20328256, 40656512, 81313024]

約数ペア:

[(1, 81313024), (2, 40656512), (4, 20328256), (8, 10164128), (13, 6254848), (16, 5082064), (26, 3127424), (32, 2541032), (52, 1563712), (53, 1534208), (64, 1270516), (104, 781856), (106, 767104), (128, 635258), (208, 390928), (212, 383552), (256, 317629), (416, 195464), (424, 191776), (461, 176384), (689, 118016), (832, 97732), (848, 95888), (922, 88192), (1378, 59008), (1664, 48866), (1696, 47944), (1844, 44096), (2756, 29504), (3328, 24433), (3392, 23972), (3688, 22048), (5512, 14752), (5993, 13568), (6784, 11986), (7376, 11024)]