81784528

素因数分解:

$2^4\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1429}}^1$

素因数の和:1524

約数の個数: 60

約数和(自身を含む): 186983940

約数和(自身を除く): 105199412

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 73, 98, 112, 146, 196, 292, 392, 511, 584, 784, 1022, 1168, 1429, 2044, 2858, 3577, 4088, 5716, 7154, 8176, 10003, 11432, 14308, 20006, 22864, 28616, 40012, 57232, 70021, 80024, 104317, 140042, 160048, 208634, 280084, 417268, 560168, 730219, 834536, 1120336, 1460438, 1669072, 2920876, 5111533, 5841752, 10223066, 11683504, 20446132, 40892264, 81784528]

約数ペア:

[(1, 81784528), (2, 40892264), (4, 20446132), (7, 11683504), (8, 10223066), (14, 5841752), (16, 5111533), (28, 2920876), (49, 1669072), (56, 1460438), (73, 1120336), (98, 834536), (112, 730219), (146, 560168), (196, 417268), (292, 280084), (392, 208634), (511, 160048), (584, 140042), (784, 104317), (1022, 80024), (1168, 70021), (1429, 57232), (2044, 40012), (2858, 28616), (3577, 22864), (4088, 20006), (5716, 14308), (7154, 11432), (8176, 10003)]