81258688

素因数分解:

$2^6\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5851}}^1$

素因数の和:5901

約数の個数: 56

約数和(自身を含む): 190260224

約数和(自身を除く): 109001536

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 217, 224, 248, 434, 448, 496, 868, 992, 1736, 1984, 3472, 5851, 6944, 11702, 13888, 23404, 40957, 46808, 81914, 93616, 163828, 181381, 187232, 327656, 362762, 374464, 655312, 725524, 1269667, 1310624, 1451048, 2539334, 2621248, 2902096, 5078668, 5804192, 10157336, 11608384, 20314672, 40629344, 81258688]

約数ペア:

[(1, 81258688), (2, 40629344), (4, 20314672), (7, 11608384), (8, 10157336), (14, 5804192), (16, 5078668), (28, 2902096), (31, 2621248), (32, 2539334), (56, 1451048), (62, 1310624), (64, 1269667), (112, 725524), (124, 655312), (217, 374464), (224, 362762), (248, 327656), (434, 187232), (448, 181381), (496, 163828), (868, 93616), (992, 81914), (1736, 46808), (1984, 40957), (3472, 23404), (5851, 13888), (6944, 11702)]