218361395

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 326541600

約数和(自身を除く): 108180205

約数列:

[1, 5, 7, 19, 35, 49, 61, 95, 133, 245, 305, 427, 665, 769, 931, 1159, 2135, 2989, 3845, 4655, 5383, 5795, 8113, 14611, 14945, 26915, 37681, 40565, 46909, 56791, 73055, 102277, 188405, 234545, 283955, 328363, 511385, 715939, 891271, 1641815, 2298541, 3579695, 4456355, 6238897, 11492705, 31194485, 43672279, 218361395]

約数ペア:

[(1, 218361395), (5, 43672279), (7, 31194485), (19, 11492705), (35, 6238897), (49, 4456355), (61, 3579695), (95, 2298541), (133, 1641815), (245, 891271), (305, 715939), (427, 511385), (665, 328363), (769, 283955), (931, 234545), (1159, 188405), (2135, 102277), (2989, 73055), (3845, 56791), (4655, 46909), (5383, 40565), (5795, 37681), (8113, 26915), (14611, 14945)]