91910728

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:878

約数の個数: 64

約数和(自身を含む): 213534720

約数和(自身を除く): 121623992

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 191, 364, 382, 661, 728, 764, 1322, 1337, 1528, 2483, 2644, 2674, 4627, 4966, 5288, 5348, 8593, 9254, 9932, 10696, 17186, 17381, 18508, 19864, 34372, 34762, 37016, 60151, 68744, 69524, 120302, 126251, 139048, 240604, 252502, 481208, 505004, 883757, 1010008, 1641263, 1767514, 3282526, 3535028, 6565052, 7070056, 11488841, 13130104, 22977682, 45955364, 91910728]

約数ペア:

[(1, 91910728), (2, 45955364), (4, 22977682), (7, 13130104), (8, 11488841), (13, 7070056), (14, 6565052), (26, 3535028), (28, 3282526), (52, 1767514), (56, 1641263), (91, 1010008), (104, 883757), (182, 505004), (191, 481208), (364, 252502), (382, 240604), (661, 139048), (728, 126251), (764, 120302), (1322, 69524), (1337, 68744), (1528, 60151), (2483, 37016), (2644, 34762), (2674, 34372), (4627, 19864), (4966, 18508), (5288, 17381), (5348, 17186), (8593, 10696), (9254, 9932)]