218236528

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{7213}}^1$

素因数の和:7313

約数の個数: 40

約数和(自身を含む): 443689856

約数和(自身を除く): 225453328

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7213, 7564, 14426, 15128, 28852, 30256, 57704, 115408, 223603, 439993, 447206, 879986, 894412, 1759972, 1788824, 3519944, 3577648, 7039888, 13639783, 27279566, 54559132, 109118264, 218236528]

約数ペア:

[(1, 218236528), (2, 109118264), (4, 54559132), (8, 27279566), (16, 13639783), (31, 7039888), (61, 3577648), (62, 3519944), (122, 1788824), (124, 1759972), (244, 894412), (248, 879986), (488, 447206), (496, 439993), (976, 223603), (1891, 115408), (3782, 57704), (7213, 30256), (7564, 28852), (14426, 15128)]