81694830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389023}}^1$

素因数の和:389040

約数の個数: 32

約数和(自身を含む): 224077824

約数和(自身を除く): 142382994

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389023, 778046, 1167069, 1945115, 2334138, 2723161, 3890230, 5446322, 5835345, 8169483, 11670690, 13615805, 16338966, 27231610, 40847415, 81694830]

約数ペア:

[(1, 81694830), (2, 40847415), (3, 27231610), (5, 16338966), (6, 13615805), (7, 11670690), (10, 8169483), (14, 5835345), (15, 5446322), (21, 3890230), (30, 2723161), (35, 2334138), (42, 1945115), (70, 1167069), (105, 778046), (210, 389023)]