665517710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{1381}}^1$

素因数の和:1749

約数の個数: 64

約数和(自身を含む): 1412558784

約数和(自身を除く): 747041074

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 337, 674, 715, 1381, 1430, 1685, 2762, 3370, 3707, 4381, 6905, 7414, 8762, 13810, 15191, 17953, 18535, 21905, 30382, 35906, 37070, 43810, 48191, 75955, 89765, 96382, 151910, 179530, 197483, 240955, 394966, 465397, 481910, 930794, 987415, 1974830, 2326985, 4653970, 5119367, 6050161, 10238734, 12100322, 25596835, 30250805, 51193670, 60501610, 66551771, 133103542, 332758855, 665517710]

約数ペア:

[(1, 665517710), (2, 332758855), (5, 133103542), (10, 66551771), (11, 60501610), (13, 51193670), (22, 30250805), (26, 25596835), (55, 12100322), (65, 10238734), (110, 6050161), (130, 5119367), (143, 4653970), (286, 2326985), (337, 1974830), (674, 987415), (715, 930794), (1381, 481910), (1430, 465397), (1685, 394966), (2762, 240955), (3370, 197483), (3707, 179530), (4381, 151910), (6905, 96382), (7414, 89765), (8762, 75955), (13810, 48191), (15191, 43810), (17953, 37070), (18535, 35906), (21905, 30382)]