28305681754

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{661}}^1$

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 50095245312

約数和(自身を除く): 21789563558

約数列:

[1, 2, 7, 14, 67, 71, 134, 142, 469, 497, 643, 661, 938, 994, 1286, 1322, 4501, 4627, 4757, 9002, 9254, 9514, 33299, 43081, 44287, 45653, 46931, 66598, 86162, 88574, 91306, 93862, 301567, 310009, 319571, 328517, 425023, 603134, 620018, 639142, 657034, 850046, 2975161, 3058751, 3144377, 5950322, 6117502, 6288754, 21411257, 22010639, 28476541, 30176633, 42822514, 44021278, 56953082, 60353266, 199335787, 211236431, 398671574, 422472862, 2021834411, 4043668822, 14152840877, 28305681754]

約数ペア:

[(1, 28305681754), (2, 14152840877), (7, 4043668822), (14, 2021834411), (67, 422472862), (71, 398671574), (134, 211236431), (142, 199335787), (469, 60353266), (497, 56953082), (643, 44021278), (661, 42822514), (938, 30176633), (994, 28476541), (1286, 22010639), (1322, 21411257), (4501, 6288754), (4627, 6117502), (4757, 5950322), (9002, 3144377), (9254, 3058751), (9514, 2975161), (33299, 850046), (43081, 657034), (44287, 639142), (45653, 620018), (46931, 603134), (66598, 425023), (86162, 328517), (88574, 319571), (91306, 310009), (93862, 301567)]