20151813376

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{857}}^1\times {\mathrm{2963}}^1$

素因数の和:3867

約数の個数: 72

約数和(自身を含む): 41584967424

約数和(自身を除く): 21433154048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 857, 992, 1714, 1984, 2963, 3428, 3968, 5926, 6856, 7936, 11852, 13712, 23704, 26567, 27424, 47408, 53134, 54848, 91853, 94816, 106268, 109696, 183706, 189632, 212536, 219392, 367412, 379264, 425072, 734824, 758528, 850144, 1469648, 1700288, 2539291, 2939296, 3400576, 5078582, 5878592, 6801152, 10157164, 11757184, 20314328, 23514368, 40628656, 78718021, 81257312, 157436042, 162514624, 314872084, 325029248, 629744168, 650058496, 1259488336, 2518976672, 5037953344, 10075906688, 20151813376]

約数ペア:

[(1, 20151813376), (2, 10075906688), (4, 5037953344), (8, 2518976672), (16, 1259488336), (31, 650058496), (32, 629744168), (62, 325029248), (64, 314872084), (124, 162514624), (128, 157436042), (248, 81257312), (256, 78718021), (496, 40628656), (857, 23514368), (992, 20314328), (1714, 11757184), (1984, 10157164), (2963, 6801152), (3428, 5878592), (3968, 5078582), (5926, 3400576), (6856, 2939296), (7936, 2539291), (11852, 1700288), (13712, 1469648), (23704, 850144), (26567, 758528), (27424, 734824), (47408, 425072), (53134, 379264), (54848, 367412), (91853, 219392), (94816, 212536), (106268, 189632), (109696, 183706)]