81304384

素因数分解:

$2^6\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1429}}^1$

素因数の和:1575

約数の個数: 56

約数和(自身を含む): 185968640

約数和(自身を除く): 104664256

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 127, 224, 254, 448, 508, 889, 1016, 1429, 1778, 2032, 2858, 3556, 4064, 5716, 7112, 8128, 10003, 11432, 14224, 20006, 22864, 28448, 40012, 45728, 56896, 80024, 91456, 160048, 181483, 320096, 362966, 640192, 725932, 1270381, 1451864, 2540762, 2903728, 5081524, 5807456, 10163048, 11614912, 20326096, 40652192, 81304384]

約数ペア:

[(1, 81304384), (2, 40652192), (4, 20326096), (7, 11614912), (8, 10163048), (14, 5807456), (16, 5081524), (28, 2903728), (32, 2540762), (56, 1451864), (64, 1270381), (112, 725932), (127, 640192), (224, 362966), (254, 320096), (448, 181483), (508, 160048), (889, 91456), (1016, 80024), (1429, 56896), (1778, 45728), (2032, 40012), (2858, 28448), (3556, 22864), (4064, 20006), (5716, 14224), (7112, 11432), (8128, 10003)]