1987515648

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{27827}}^1$

素因数の和:27880

約数の個数: 108

約数和(自身を含む): 5915564928

約数和(自身を除く): 3928049280

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 256, 279, 288, 372, 384, 496, 558, 576, 744, 768, 992, 1116, 1152, 1488, 1984, 2232, 2304, 2976, 3968, 4464, 5952, 7936, 8928, 11904, 17856, 23808, 27827, 35712, 55654, 71424, 83481, 111308, 166962, 222616, 250443, 333924, 445232, 500886, 667848, 862637, 890464, 1001772, 1335696, 1725274, 1780928, 2003544, 2587911, 2671392, 3450548, 3561856, 4007088, 5175822, 5342784, 6901096, 7123712, 7763733, 8014176, 10351644, 10685568, 13802192, 15527466, 16028352, 20703288, 21371136, 27604384, 31054932, 32056704, 41406576, 55208768, 62109864, 64113408, 82813152, 110417536, 124219728, 165626304, 220835072, 248439456, 331252608, 496878912, 662505216, 993757824, 1987515648]

約数ペア:

[(1, 1987515648), (2, 993757824), (3, 662505216), (4, 496878912), (6, 331252608), (8, 248439456), (9, 220835072), (12, 165626304), (16, 124219728), (18, 110417536), (24, 82813152), (31, 64113408), (32, 62109864), (36, 55208768), (48, 41406576), (62, 32056704), (64, 31054932), (72, 27604384), (93, 21371136), (96, 20703288), (124, 16028352), (128, 15527466), (144, 13802192), (186, 10685568), (192, 10351644), (248, 8014176), (256, 7763733), (279, 7123712), (288, 6901096), (372, 5342784), (384, 5175822), (496, 4007088), (558, 3561856), (576, 3450548), (744, 2671392), (768, 2587911), (992, 2003544), (1116, 1780928), (1152, 1725274), (1488, 1335696), (1984, 1001772), (2232, 890464), (2304, 862637), (2976, 667848), (3968, 500886), (4464, 445232), (5952, 333924), (7936, 250443), (8928, 222616), (11904, 166962), (17856, 111308), (23808, 83481), (27827, 71424), (35712, 55654)]