81684736

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{577}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 189029120

約数和(自身を除く): 107344384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 577, 632, 896, 1106, 1154, 1264, 1792, 2212, 2308, 2528, 4039, 4424, 4616, 5056, 8078, 8848, 9232, 10112, 16156, 17696, 18464, 20224, 32312, 35392, 36928, 45583, 64624, 70784, 73856, 91166, 129248, 141568, 147712, 182332, 258496, 319081, 364664, 516992, 638162, 729328, 1033984, 1276324, 1458656, 2552648, 2917312, 5105296, 5834624, 10210592, 11669248, 20421184, 40842368, 81684736]

約数ペア:

[(1, 81684736), (2, 40842368), (4, 20421184), (7, 11669248), (8, 10210592), (14, 5834624), (16, 5105296), (28, 2917312), (32, 2552648), (56, 1458656), (64, 1276324), (79, 1033984), (112, 729328), (128, 638162), (158, 516992), (224, 364664), (256, 319081), (316, 258496), (448, 182332), (553, 147712), (577, 141568), (632, 129248), (896, 91166), (1106, 73856), (1154, 70784), (1264, 64624), (1792, 45583), (2212, 36928), (2308, 35392), (2528, 32312), (4039, 20224), (4424, 18464), (4616, 17696), (5056, 16156), (8078, 10112), (8848, 9232)]