219639185

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 284359680

約数和(自身を除く): 64720495

約数列:

[1, 5, 29, 31, 131, 145, 155, 373, 655, 899, 1865, 3799, 4061, 4495, 10817, 11563, 18995, 20305, 48863, 54085, 57815, 117769, 244315, 335327, 588845, 1417027, 1514753, 1676635, 7085135, 7573765, 43927837, 219639185]

約数ペア:

[(1, 219639185), (5, 43927837), (29, 7573765), (31, 7085135), (131, 1676635), (145, 1514753), (155, 1417027), (373, 588845), (655, 335327), (899, 244315), (1865, 117769), (3799, 57815), (4061, 54085), (4495, 48863), (10817, 20305), (11563, 18995)]