1989893376

素因数分解:

$2^8\times 3^2\times {\mathrm{491}}^1\times {\mathrm{1759}}^1$

素因数の和:2272

約数の個数: 108

約数和(自身を含む): 5752306560

約数和(自身を除く): 3762413184

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 491, 576, 768, 982, 1152, 1473, 1759, 1964, 2304, 2946, 3518, 3928, 4419, 5277, 5892, 7036, 7856, 8838, 10554, 11784, 14072, 15712, 15831, 17676, 21108, 23568, 28144, 31424, 31662, 35352, 42216, 47136, 56288, 62848, 63324, 70704, 84432, 94272, 112576, 125696, 126648, 141408, 168864, 188544, 225152, 253296, 282816, 337728, 377088, 450304, 506592, 565632, 675456, 863669, 1013184, 1131264, 1350912, 1727338, 2026368, 2591007, 3454676, 4052736, 5182014, 6909352, 7773021, 10364028, 13818704, 15546042, 20728056, 27637408, 31092084, 41456112, 55274816, 62184168, 82912224, 110549632, 124368336, 165824448, 221099264, 248736672, 331648896, 497473344, 663297792, 994946688, 1989893376]

約数ペア:

[(1, 1989893376), (2, 994946688), (3, 663297792), (4, 497473344), (6, 331648896), (8, 248736672), (9, 221099264), (12, 165824448), (16, 124368336), (18, 110549632), (24, 82912224), (32, 62184168), (36, 55274816), (48, 41456112), (64, 31092084), (72, 27637408), (96, 20728056), (128, 15546042), (144, 13818704), (192, 10364028), (256, 7773021), (288, 6909352), (384, 5182014), (491, 4052736), (576, 3454676), (768, 2591007), (982, 2026368), (1152, 1727338), (1473, 1350912), (1759, 1131264), (1964, 1013184), (2304, 863669), (2946, 675456), (3518, 565632), (3928, 506592), (4419, 450304), (5277, 377088), (5892, 337728), (7036, 282816), (7856, 253296), (8838, 225152), (10554, 188544), (11784, 168864), (14072, 141408), (15712, 126648), (15831, 125696), (17676, 112576), (21108, 94272), (23568, 84432), (28144, 70704), (31424, 63324), (31662, 62848), (35352, 56288), (42216, 47136)]