12840786

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 32008704

約数和(自身を除く): 19167918

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 223, 446, 457, 669, 914, 1338, 1371, 1561, 2007, 2742, 3122, 3199, 4014, 4113, 4683, 6398, 8226, 9366, 9597, 14049, 19194, 28098, 28791, 57582, 101911, 203822, 305733, 611466, 713377, 917199, 1426754, 1834398, 2140131, 4280262, 6420393, 12840786]

約数ペア:

[(1, 12840786), (2, 6420393), (3, 4280262), (6, 2140131), (7, 1834398), (9, 1426754), (14, 917199), (18, 713377), (21, 611466), (42, 305733), (63, 203822), (126, 101911), (223, 57582), (446, 28791), (457, 28098), (669, 19194), (914, 14049), (1338, 9597), (1371, 9366), (1561, 8226), (2007, 6398), (2742, 4683), (3122, 4113), (3199, 4014)]