264251936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 72

約数和(自身を含む): 579796812

約数和(自身を除く): 315544876

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 661, 806, 961, 992, 1322, 1612, 1922, 2644, 3224, 3844, 5288, 6448, 7688, 8593, 10576, 12493, 12896, 15376, 17186, 20491, 21152, 24986, 30752, 34372, 40982, 49972, 68744, 81964, 99944, 137488, 163928, 199888, 266383, 274976, 327856, 399776, 532766, 635221, 655712, 1065532, 1270442, 2131064, 2540884, 4262128, 5081768, 8257873, 8524256, 10163536, 16515746, 20327072, 33031492, 66062984, 132125968, 264251936]

約数ペア:

[(1, 264251936), (2, 132125968), (4, 66062984), (8, 33031492), (13, 20327072), (16, 16515746), (26, 10163536), (31, 8524256), (32, 8257873), (52, 5081768), (62, 4262128), (104, 2540884), (124, 2131064), (208, 1270442), (248, 1065532), (403, 655712), (416, 635221), (496, 532766), (661, 399776), (806, 327856), (961, 274976), (992, 266383), (1322, 199888), (1612, 163928), (1922, 137488), (2644, 99944), (3224, 81964), (3844, 68744), (5288, 49972), (6448, 40982), (7688, 34372), (8593, 30752), (10576, 24986), (12493, 21152), (12896, 20491), (15376, 17186)]