690391295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1\times {\mathrm{461}}^1$

素因数の和:923

約数の個数: 32

約数和(自身を含む): 920614464

約数和(自身を除く): 230223169

約数列:

[1, 5, 11, 55, 73, 365, 373, 461, 803, 1865, 2305, 4015, 4103, 5071, 20515, 25355, 27229, 33653, 136145, 168265, 171953, 299519, 370183, 859765, 1497595, 1850915, 1891483, 9457415, 12552569, 62762845, 138078259, 690391295]

約数ペア:

[(1, 690391295), (5, 138078259), (11, 62762845), (55, 12552569), (73, 9457415), (365, 1891483), (373, 1850915), (461, 1497595), (803, 859765), (1865, 370183), (2305, 299519), (4015, 171953), (4103, 168265), (5071, 136145), (20515, 33653), (25355, 27229)]