163950886

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{197}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 287567280

約数和(自身を除く): 123616394

約数列:

[1, 2, 11, 19, 22, 38, 121, 181, 197, 209, 242, 362, 394, 418, 1991, 2167, 2299, 3439, 3743, 3982, 4334, 4598, 6878, 7486, 21901, 23837, 35657, 37829, 41173, 43802, 47674, 71314, 75658, 82346, 392227, 416119, 452903, 677483, 784454, 832238, 905806, 1354966, 4314497, 7452313, 8628994, 14904626, 81975443, 163950886]

約数ペア:

[(1, 163950886), (2, 81975443), (11, 14904626), (19, 8628994), (22, 7452313), (38, 4314497), (121, 1354966), (181, 905806), (197, 832238), (209, 784454), (242, 677483), (362, 452903), (394, 416119), (418, 392227), (1991, 82346), (2167, 75658), (2299, 71314), (3439, 47674), (3743, 43802), (3982, 41173), (4334, 37829), (4598, 35657), (6878, 23837), (7486, 21901)]